Lenovo HT28 TWS True Wireless Bluetooth Earphone User Guide

Lenovo HT28 TWS True Wireless Bluetooth Earphone User Guide

THE PRODUCT DESCRIPTION

• Production name: True Wireless Stereo Earbuds
• Model: HT28
• Implementation criteria: Q/HDLCS0103-2018

Manufactured, distributed, or sold by Beijing Kangshuo Information Technology Co. , Ltd official licensee for this product. Lenovo and the Stylized Lenovo Logo are trademarks or registered trademarks of Lenovo ( Beijing ) Ltd.
All other trademarks are the property of their respective owners.

PRODUCT PARAMETERS

• Product Model: HT28
• Bluetooth version: Bluetooth 5.0
• Bluetooth matching name: HT28
• Impedance: 1652+15%
• Driving unit: φ8mm
• Frequency response range: 20-20kHz
• Sensitivity: 103±3dB
• Rated power: 3mW
• Wireless transmission distance is about 10 meters
• Music time is about 4 hours
• Standby time is about 100 hours
• Charging time is about 1 hour
• Battery capacity is 400 mAh

PACKAGE LIST

1. True Wireless Stereo Earbuds
2. An USB charging line
3. Three sets of silicone earplugs
4. An instruction manual
   

BUTTON FUNCTION

Operating mode (answer/call)

1. Turn on:
2. Open the charging box, take out the headphones, and the headphones will turn on automatically;
3. Press the multi-function button for 2 seconds when the power is off. After booting, the headset goes into Bluetooth matching state, and the LED lights start to flicker.
4. Turn off: In the boot state, press the multi-function key for 3 seconds or put the earphone into the charging box, and the earphone will turn off automatically.
5. Answer the phone: When calling, press the multi-function button on the earphone.
6. Reject calls: When calling, press the multi-function key for 1 second.
7. End the call: In the call, press the multi-function key.

Operational Mode (Playing Music)

1. Play music: Press the multi-function key or operate the player on the mobile phone (some mobile phones will automatically start the music player when connected to Bluetooth stereo).
2. Stop music: when playing music, press the multi-function key or operate the player on the mobile phone.
3. Next song: When playing music, press any multi-function key for 2 seconds.
4. SIRI: When playing music, double-click the multi-function key of any ear.

When the product is out of the factory, the left and right earphones are paired successfully by default. When connecting to the mobile phone for the first time, follow the following steps to operate.

1.  When the power is off, take out the headphones and turn them on automatically (the red and blue lights turn on alternately after the blue lights turn on). Wait for about 3 seconds before the headphones will turn on automatically. Red and blue lights flashing in the main ear and off in the auxiliary ear.
2. Open Bluetooth, search HT28, and click to connect. When the pairing is successful, you will hear “connected” and mobile phone connection. When used again, the headphones will automatically connect back to the connected cell phone after they are paired on. If you can’t connect to the phone, please use Bluetooth to connect to the headset manually. In the course of use, any ear is put back to the other side of the charging bin without being affected.
3. The left and right ears are paired. Double-click PP keys to switch languages in paired search mode.
   • No equipment is connected to the boot, and it will shut down automatically after 3 minutes.
   • In TWS, only the main ear will connect to your device, and the accessory ear will connect to the main ear.
   • When used alone, both left and right headphones can be used as separate mono headphones. TWS headset pairing Pick up the earphone from the charging base, turn on both ears automatically, and enter the left and right ear matching mode automatically.
   • If the pairing is unsuccessful for a long time, please put back the left and right earphones to the charging bin and pick them up.
   • If the main and auxiliary ears are silent on one side after connection, put the left and right earphones back to the charging bin and pick them up again. After connection, the two ears will automatically return to the hand, which needs manual operation.
   • The above operations need to disconnect both ears and all equipment.

Scope and instructions for use

1. This Lenovo headset can be used directly on a single-hole laptop , and can be auditioned andvoice . Traditional desktop two-hole computers need to be connected to one-two extensions to achieve the above functions.
2. The earphone is suitable for ordinary mobile phones Can also be used for other.
3. Wear the headset and wear it according to the L ( left ) R ( right ) on the headset . If not marked , The cable controller is right.
4. Multiple-function button
   Last song: short press the multifunction button three times
   Next song: short press the multifunction button twice times
   Short press ” Multiple-function button”to Play/Pause when playing music. Short press ” Multiple-function button “to answer/end a call.Quickly press” Multiple-function button” 2s to refuse a call/redial the last number your phone called out.

Precautions

Placement: it is recommended that when you do not use your headphone, you should put it in a place that will not squeeze it, extrusion may result in product damages or personal injuries.
Children: do not allow children to play with headphone, because some small parts are removable and children are dangerous if these parts are swallowed.

1. Please listen to music at a moderate volume to prevent adverse effects on your hearing.
2. Please wear it carefully when driving or cycling , so as not to affect driving safety , such as product parameters and specifications . Subject to change without notice.

Environmental, recycling, and disposal information.

General recycling statement

Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and Services to assist equipment owners in recycling their IT Products. For information on recycling Lenovo Products, go to: http://www.Lenovo.com/re-cycling

Important WEEE information

Electrical and electronic equipment marked with the symbol of a crossed-out wheeled bin may not be disposed as unsorted municipal waste. Waste of electrical and electronic equipment (WEEE) shaJl be treated separately using the collection framework availabla to customers for the return, recycling, and treatment of WEEE. Country-specific information is available at: http://www.Lenovo.com/recycling

Recycling information for India

Recycling and disposal information for India is available at: http://www.lenovo.com/social_responsibility/us/en/sustainability/ptb.India.html
Battery recycling mark Battery recycling information for the European Union Batteries or packaging for batteries are labeled in accordance with European Directive 2006/66/EC concerning batteries and accumulators and waste batteries and accumulators. The Directive determines the framework for the return and recycling of used batteries and accumulators as applicable throughout the European Union, This label is applied to various batteries to indicate that the battery is not to be thrown away, but rather reclaimed upon and of life per this Directive. In accordance with the European Directive 2006/66/EC, batteries and accumulators are labeled to indicate that they are to be collected separateiy and recycled at end of life.

The label on the battery may also include a Chemical symbol forthe metal concerned in the battery (Pb for lead, Hg for mercury, and Cd for cadmium), Users of batteries and accumulators must not dispose of batteries and accumulators as unsorted muncipal vvaste, but use the collection framework available to customers for the return recycling, and treatment of batteries and accumulators. Customer participation is important to minimize any potential effects of batteries and accumulators on the environment and human health due to the potential presence of hazardous substances, for proper collection and treatment go to: http://www.Lenovo.com/recycling

Restriction of Hazardous Substances Directive (RoHS)

Turkish
The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Waste ElectricaJ and Electronic Eguipment (WEEE).

India
RoHS compliant as per E-Waste (Management & Handling) Rules, 2011

Vietnam
Lenovo products sold in Vietnam, on or after September 23,2011, meet the requirements of the Vietnam Circular 30/201 1/TT-BCT (“Vietnam RoHS”).

European Union
Lenovo products sold in the European Union, on or after 3 January 2013 meet the requirements of Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (“RoHS recast” or “RoHS 2”).

For more information about Lenovo progress on RoHS, go to: http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf

FCC Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Service and Support Information

The following information describes the technical support that is available for
your product, during the warranty period or throughout the life of your
product. Refer to the Lenovo Limited Warranty for a full explanation of
Lenovo warranty terms. See “Lenovo Limited Warranty notice” later in this
document for details on accessing the full warranty.

What this Warranty Covers

Lenovo warrants that each Lenovo hardware product that you purchase is
free from defects in materials and workmanship under normal use during the
warranty period. The warranty period for the product starts on the original
date of purchase as shown on your sales receipt or invoice or as may be
otherwise specified by Lenovo. The warranty period and type of warranty
service that apply to your product are as specified in “Warranty service information” below. This warranty only applies to products in the country or
region of purchase.

T
This warranty is your exclusive warranty and replaces all other warranties or
conditions, express or implied, including, but not limited to, any implied
warranties or conditions of merchantability or fitness for a particular purpose.
As some states or jurisdictions do not allow the exclusion of express or
implied warranties, the above exclusion may not apply to you. In that event,
such warranties apply only to the extent and for such duration as required by
law and are limited in duration to the warrantyperiod. As some states or
jurisdictions do not allow limitations on the duration of an implied warranty,the
above limitation on duration may not apply to you.

How to Obtain Warranty Service

If the product does not function as warranted during the warranty period, you may obtain warranty service by contacting your Lenovo dealer where it was purchased.

Product Type: Accessory

Warranty Period: 12 Months

After-sales Service email: service@kang-shuo.com

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