Bone Conduction Bluetooth Headset Operating Instruction Model : DK21039 1. Power button 2. Volume button 3. Charging port /USB interface 4. Multi-function button 5. MIC hole 6.
enjoying music.The best choice for listening to music, answering phones, playing games, studying, running, cycling, fitness, swimming and driving. Power on:Hold the power button for 3 seconds and the blue light will be on for 3 seconds. Prompt reads“Bluetooth Mode” in English; Power off:Hold the power button for 5 seconds.After the red light flashes, power off. Prompt reads“Power Off” in English; Connection: After start-up, it enters the pairing state, the red and blue lights flashing alternately.
the volume is turned to the maximum, it will loop back to the minimum volume.You can also adjust the volume on your phone, iPad, or computer. Last: In music state, hold the volume button for 2 seconds to play the last song; Next: In music state, hold the multi-function button for 2 seconds to play the next song; Charging status: 1.When the headset is charged by using the SV charging stand, it is turned off and cannot be started-up.
5.Specification of the charger: Output voltage: DC5V+/-0.25V, Output current :100mA-250mA Local playback switch: double-click multi-functionbutton in bluetooth connection state. The Chinese and English prompt sound means the switch is successful. SD card features: 1. Bluetooth is the default mode. Keep the bluetooth connected when changing SD card in any state.Switch the phone call to bluetooth if any. 2.
that the output voltage of the charger is DC5V+/-0.25V, and the output current is 100mA-250mA. If the charging voltage is too high, the bluetooth headset may be damaged. Warning: Only certified charger can be used. Chargers of other specifications may violate the Qualification and Warranty and may lead to danger.If the product is shipped with a charging line, it needs to connect a 3C certified charger or computer to charge it. Do not collide with this product seriously.
Regardless of the volume, the use of headsets will affect your perception of the surrounding environment. Be careful when using headsets.Do not throw, hold down or immerse the headset in water. The headset should be away from fire, water and high pressure equipment. This device is not suitable for children under 3 years old for it contains small parts. Do not classify it as household waste, but send it to the local appropriate electrical and electronic equipment recycling station.
comply with applicable laws regarding the use of mobile phones and headsets. There are some local laws have specific restrictions on the use of such products while driving. Do not use headsets for other purposes while driving. · Care should be taken for the safety of yourself and others if you use headsets in activities that require concentration, such as cycling, driving or walking on or near road construction sites or railway tracks.
bones for comfort. Please place the equipment or its accessories in a cool, ventilated place without direct sunlight. Music playing time - Standard condition: 8 hoursHorn impedance: 8Q±3dB Standby time：15 daysMicrophone sensitivity: 48±2dB Charging time：2 hours Weight of the product : 28g Bluetooth version:5.0 Connection distance: 10 meters Please turn off the device in medical and health facilities where the use of wireless devices is expressly prohibited.
Please use the product within the temperature range of 5C-35℃, and store the equipment and its accessories within the temperature range of 5℃ -35℃. When the environment temperature is too high or too low, it may cause equipment failure. Battery performance is limited at temperatures below 5℃. Do not place the device near heat sources or exposed fire sources, such as electric heaters, microwave ovens, water heaters, stoves, candles or other sources that may produce high temperature.
batteries can cause unpredictable dangers such as fire, explosion or injury. - Do not remove the charging box. Improper reorganization can result in the risk of fire or injury. - Do not disassemble, squeeze or throw the charging box into a fire or put it in high temperature. Exposure to fire or at temperatures over 100°C may cause an explosion. - Only qualified maintenance personnel can use the same spare parts to perform maintenance operations · Do not modify the product without authorization.
Part name Lead (Pb) Amercury (Hg) Cadmium (Cd) O Hexavalent chromium (CR (VI)) O Polybrominated combination (PBB) O Polybrominated diphenylether (PBDE) O Printed circuit board Metal parts X O X O O O O O Plastic parts O O O O O O the Speaker X O O O O O Cable X O O O O O This form is prepared in accordance with SJ/T11364.
1. Circuit modules: ceramic or glass of electronic components, IC chips and ferroalloy/copper alloy connectors contain lead. 2. Wire: the copper alloy in the needle part contains lead. Product Service Policy In the course of normal use of the product, if the product appears non-man-made damage to the performance of the fault, you can enjoy free maintenance service.The warranty period covers 12 monthsfrom the date of purchase. 2.
WARNING 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 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.
