cellularline BTSHEERTWS Sheer Wireless Stereo Bluetooth Earbuds with Charging Case and ANC Function User Guide

June 6, 2024
cellularline

cellularline logoSHEER
WIRELESS STEREO BLUETOOTH® EARBUDS WITH
CHARGING CASE AND ANC FUNCTION
BTSHEERTWS

cellularline BTSHEERTWS Sheer Wireless Stereo Bluetooth Earbuds with
Charging Case and ANC Function - overview

Description:

  1. MF touch control
  2. Earbud LED
  3. Battery level indicator LED
  4. USB-C charging port
  5. USB-C charging cable

PRELIMINARY OPERATIONS

Charging Case Charge: Charging Case has an internal battery that allows the earbuds to be recharged without being plugged into a mains charger. The Charging Case must
therefore be charged before recharging the batteries of the devices.
Connect the charging cable (5) to a USB port and connect the other end to the USB-C charging port (4); the LEDs (3) will gradually turn on to show the charge level of the Charging Case.
Once you have finished recharging, disconnect the Charging Case from the power supply.
Recharging the Earbuds: insert the individual earbuds into the corresponding docks; charging will begin automatically. The LEDs (2) on the earbuds turn on when charging is in progress.
The LEDs (2) turn off when charging is complete.
Connecting your mobile phone: remove the earbuds from the charging dock. Both earbuds will automatically switch on and the LEDs (2) will begin to flash; a few seconds later only one will continue to flash green/red in an alternating fashion, indicating that pairing mode is active.
Turn on Bluetooth® on your phone to run a search for devices and select CELLULARLINE SHEER when it is detected.

USE:

Switching ON: remove the earbuds from the case
Power OFF: put the earbuds back into the corresponding docks.
To answer a call: press the MF touch control (1) on one of the two earbuds.
Use in mono mode is allowed with the right earbud only.
To end a call: press the MF touch control (1).
ANC: keep the MF touch control on the right earbud pressed for 2 seconds
Play/Pause: Press the MF touch control (1) on one of the two earbuds twice.
FF: press the MF touch control (1) on the right earbud three times.
Rew: press the MF touch control (1) on the left earbud three times.
Voice Assistant: keep the MF touch control (1) pressed for 3 seconds
Speaker volume control: to increase volume, press the MF touch control (1) on the right earbud or press the MF touch control (1) on the left earbud to decrease it.
Reset: if the device does not work properly, it is possible to carry out a reset to restore factory settings.

  • delete all previous pairings from the Bluetooth® menu of the phone, disable Bluetooth® and reboot it.
  • take the earbuds out of the Charging Case, wait for the green LED (2) to flash the first time on both devices, and then put them back inside the Charging Case.
  • with the devices inside the Charging Case, hold and press the MF button (1) on both devices for about 10 seconds or until both red LEDs (2) flash 3 times.

Pair again. Remove the earbuds from the case. The LED of one of the two will start to flash green and red in an alternating fashion. Enable Bluetooth® on your smartphone and manually fashion. Enable Bluetooth® on your smartphone and manually select the name of the device displayed select the name of the device displayed

EARBUD TECHNICAL SPECIFICATIONS:

Bluetooth®: v 5
Supported profiles:  Headset – Handsfree – A2DP – AVRCP
Range: 10 m
Bluetooth® Frequency Range: 2.4 GHz~2.48 GHz
Battery voltage: 3.7 V
Battery Capacity: 70 mAh X 2
USB-C port voltage (V): 5 V
USB-C port current: 0.35 A
ERP: 2.35 dBm
Charging Case battery capacity: 3.7 V 350 mAh
Stand by Time: 180 days
Talk Time: 7 hours with ANC – 7.5 hours with ANC off
Play Time: 7 hours with ANC – 7.5 hours with ANC off
Charging the earbuds: approx. 1.5 hrs
Charging Case Charge: about 2 hrs
Weight: 43 g

Cellularline S.p.A. declares that this Bluetooth headset with charging case complies with Directive 2014/53/EU.
The full text of the EU Declaration of conformity is available at the following
Internet address: www.cellularline.com/_/declaration-of- conformity.
Cellularline S.p.A. also declares that this Bluetooth headset with charging case complies with Directive 2011/65/EU updated from 2015/863/EU.

INFORMATION ON THE STATUTORY WARRANTY

Our products are covered by a statutory warranty against conformity defects in accordance with applicable national consumer protection laws.
For more information, please see the following page www.cellularline.com/_/warranty

INSTRUCTIONS FOR THE DISPOSAL OF DEVICES FOR DOMESTIC USE (Applicable in countries in the European Union and those with separate waste collection systems)
This mark on the product or documentation indicates that this product must not be disposed of with other household waste at the end of its life. To avoid any damage to health or the environment due to improper disposal of waste, the user must separate this product from other types of waste and recycle it in a responsible manner to promote the sustainable re-use of the material resources.
Domestic users should contact the dealer where they purchased the product or the local government office for all information regarding separate waste collection and recycling for this type of product. Corporate users should contact the supplier and verify the terms and conditions in the purchase contract.
This product must not be disposed of along with other commercial waste.
This product has a battery that cannot be replaced by the user. Do not attempt to open the device to remove the battery as this could cause malfunctions and seriously damage the product. When disposing of the product, please contact the local waste disposal authority to remove the battery. The battery inside the device was designed to be able to be used during the entire life cycle of the product.
For more information, visit the website http://www.cellularline.com

Using the device may, in some cases, interfere with the correct functioning of medical devices (e.g. pacemakers).
Prolonged exposure to high volume and prolonged use may cause permanent damage to hearing.
Do not use the device in places where being unable to hear external noises could prove dangerous (e.g. railway crossings, train platforms)
If used when driving, comply with the regulations in force in the relevant country.
Children should be supervised when using the device and all accessories and packaging should be kept out of their reach. Do not expose the device for prolonged periods to dampness, dust, soot, steam, direct sunlight, and excessively high or low temperatures, which could result in it malfunctioning Use only suitable chargers for charging Regularly charge the product (at least once every 3 months).

Via Lambrakis 1/A
42122 Reggio Emilia, Italy
www.cellularline.com
S0520

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