1. Name: Bone conduction headphones
2. Material: Silicone + ABS/PC
3. BT Version: V5.0 (completely compatible V2.1/V3.0/V4.0/V4.1, V2.1+ EDR and V3.0 + HS)
4. Mono/Stereo: Stereo
5. Bluetooth Class: Class1, Class2, and Class 3 PA
6. 2 in 1 Function: Can connect two devices with BT at the same time
7. Battery: 3.7V / 180mah (polymer battery)
8. Charging time: 2 hours, working time: 5 hours, standby time: about 10 days
9. Operating distance: about 10 meters (33fts)
10. Receiving Sensitivity: 88dBm
11. Impedance: 32db
12. Frequency response: 20Hz-20kHz, Frequency range: 2.401 - -2.480 GHZ
13. Mic: Anti-interference microphone, -50DB
14. Charging Voltage: DC 5V
15. Charging interface: Micro USB port (2 hours)
16. Color: grey, purple, blue
17. Weight: 39g; Size:137.3*123.66*49mm
Features:
Bluetooth 5.0 is fully backward compatible with most of BT version device, for smartphones&tablet , Ultralight HD Stereo Sound waterproof Sweat-proof Headsets with Noise Reduction Microphone Headphones.
Perfect to keep your ear safe, Open-ear and Over-ear wearing operation, release your ear, no plugging your ear, keep your hearing healthy.
6 hours Continuous calling, 2 hours recharge, 10 days standby, 10m Wireless transmission distance.
1. Press and hold the power key for 5s to turn on/off the headset. [NOTE: The LED indicator will flash in red and blue alternately with the voice prompt "enter pairing"]
2. Search BT device on your phone or other digital products, then choose it.
3. The headset will be connected to your mobile devices in seconds with the voice prompt "BT connection is successful".
* If it is the 1st time to match, it will auto enter the match mode with prompt voice "enter pairing" once the BT headphone turning on. And the LED lights will alternate flash between blue and red.
* If it was connected with last device, it will automatically match in 10s. And the blue light is on.
* If it matches other device or rematch, press"play"button for 3s, the BT headphone will enter manually matching mode. blue and red light flash alternatively.
Notes:
1. If the connecting distance is beyond the bt headphone effective range (10m or 33 fts), the headphone will disconnect with the device. Once in effective range again, they will connect again automatically. But if the disconnecting continues for long time (over 3 mins), maybe you need to double click "play" button to connect again.
2. If turn off the device, Bluetooth headphone will disconnect. When turn on the device, only need to double click"Play"button to connect.