Shenzhen KH22B Bluetooth kid headphone User Manual
- June 5, 2024
- Shenzhen
Table of Contents
KH22B
User Manual
Product Overview
This is a foldable Bluetooth kid headphone, with high-quality sound,
retractable headband, colorful lighting design, and comfortable wearing.
Meanwhile, it is equipped with a 3.5mm audio cable for wired connection of
devices. Built-in Bluetooth 5.0 chip ensures a stable connection. In addition,
it features a battery life of as long as 32 hours.
It should be noted that the Bluetooth connection may be blocked by walls,
affected by electronic interference, or interrupted due to over-distance.
Please read this user manual carefully before using the headphone to ensure
correct, safe usage and keep it in good condition.
Product Description
- Retractable Headband
- Soft Ear Pads
- Volume Up Button
- Multifunctional Button
- Volume Down Button
- LED Light Control Button
- Charging Port
- 3.5mm Audio Jack
- Microphone
- Bluetooth LED Indicator
Usage and Operation
-
Button Function Description
(1)Volume Up Button
Short press “+” to volume up; long press “+” for 2 seconds to skip to the next song.
(2)Multifunctional Button
① Power On and Power off In the power-off state, press and hold the multifunctional button for 3 seconds to turn on the headphone. In the power-on state, press and hold the multifunctional button for 5 seconds to turn off the headphone.
② Calls Control: When there is an incoming call, press once to receive calls; long press for 2 seconds to reject calls. Under the calls state, press once to hang up calls.
③ Under the music playing state, press once to play the music or pause.
④ Under the Non-calling State: Double-click to redial the last phone call number. Press the multifunctional button 3 times in a row to activate Siri or voice assistant.
(Note: In power-on state, press the multifunctional button and volume up the “+” key at the same time for 6 seconds, when hearing the word “Pairing”, the Bluetooth function has been reset.)
(3)Volume Down Button
Short press “-” to volume down; long press “-” for 2 seconds to switch to the previous song.
(4)LED Light Control Button
The default light is off when power is on, short press for 1 second to switch between 3 light modes, switching sequence: blue light long on – green light long on – the light flashes alternately, short press for one second to turn on/off the light.
(5)Bluetooth LED Indicator
① Under Power-on State: Keep flashing in blue for 1 second.
② Under Pairing State: After being turned on, the indicator keeps flashing in red and blue, and the headphone will enter pairing mode automatically.
③ Under Power-off State: Keep flashing in red for 1 second.
④ Under Successful Connection State: The lights will turn off.
(6)Charging Port
① This headphone is powered by lithium-ion polymer batteries(500mAh,3.7V), which need to be charged for about 2 hours before first use. (Charging Voltage 5V, Current 0.5~2A).
② The red light is on when being charged, and the blue light will be on when fully charged.
③ These headphones cannot be used while being charged.
(7)3.5mm Audio Jack
The audio interface of this headphone is a 3.5mm 4PIN audio interface. If you need to use other interfaces, please purchase the corresponding adapter cable separately. -
Connection Instruction
(1)Bluetooth Connection
① Turn on the headphone and make them enter pairing mode, the LED indicator keeps flashing in red and blue alternately.
② Activate the Bluetooth function on your phone(or other devices) and then search for the new device.
For iPhone, “Settings” > “Bluetooth” > “Open”
For Android phones, “Setting” > “Bluetooth” > “Search new device”
(Note: The menu contents may vary from different devices.)
③ Find “KH22B” and click to connect. After connecting to “KH22B” successfully, the LED indicators will be off.
(2)Audio Cable Connection
Plug the 3.5mm audio cable into the headphone jack and the connected device jack.
(Note: When the audio cable is plugged in, the Bluetooth function of the headphone will be automatically turned off. At this time, only the speaker has sound in the headset, and the headset buttons and microphone do not work.)
-
Low Battery Reminder
When hearing “Battery Low”, the headphone is on a low battery state, please charge it in time.
Product Specifications
- Bluetooth Version: V5.0
- Support Protocol: Headset, HFP, A2DP, AVRCP
- Talk Time: about 22 hours (LED on), about 32 hours (LED off)
- Charging Time: about 2 hours
- Music Playback Time: about 22 hours (LED on), about 32 hours (LED off)
- Transmission Distance: about 15 meters (open space)
- Previous or Next Song Selection
- Support Siri/Voice Assistant
- Built-in Microphone
- Charging Port: Type-C
- Available to display battery level on iPhone/most Android phones
- Working Temperature: 14°F~140°F (-10°C~45°C)
Common Problems
Low battery may cause disconnection, in order not to affect normal use, please
charge the headphone in time.
If the headphone fails to turn on, please try to charge it up first, and turn
it on after fully charged.
If the battery runs out or has not been used for a long time, there may be no
signal lights at the beginning of charging, but the indicator will normally
light up in red after a few minutes.
No Sound from the headphone:
——Make sure the Bluetooth headphone has been turned on;
——Make sure the headphone connects to the electronic device successfully.
——Make sure the effective distance of headphone and electronic device is
within 15 meters in between.
——Make sure you choose the Bluetooth device(KH22B) for music playback.
——Make sure your electronic device is within a range of strong signal without
external interference.
——Check whether your electronic device has been connected to other
Bluetooth devices.
The model of these headphones can not be searched.
——Make sure the headphone has entered pairing mode.
——There may be a program error on the headphone and cellphone.
Please reset the headphone (In the power-on state, press and hold the multi-
function button and the volume “+” button for 6 seconds to restore the factory
settings) or contact the manufacturer to repair it.
No sound can be heard from the headphone when in a call.
——Make sure you choose the KH22B for audio in/out when in a call, but not the
speaker on your cellphone.
——Make sure your cellphone has not connected to other Bluetooth devices.
Safety Notes
- Before playing the music, please turn down the volume first to avoid hearing damage caused by excessive volume.
- Disassembling personally may damage the headphone and this is not covered by warranty.
- This product is not suitable for kids under 3 years old, because some small parts of it may cause choking.
- Please clean the headphone with a clean, soft, and dry cloth.
- This product is not waterproof, and please do not use the product in a dusty environment.
- Do not place the product in an extreme environment, otherwise, it may be temporarily unavailable for use. The normal use temperature is -10°C to 45°C.
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Not Happy?
If you have any questions, concerns or are just not satisfied with any regards, feel to contact us by e-mail at:
E-mail: [email protected]
Tel: （USA ）1-626-701-7623
（UK ）07845854035
Address: 3rd Fl, Bldg E, Guanghao Ind., No. 23, Yunfeng Rd, Dalang St.,
Longhua Dist., Shenzhen City, Guangdong Prov., China
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. Any changes or
modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
NOTE: 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.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction