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This specification applies to V2-TWS bluetooth headset, product model V2.
The product is equipped with a charging box with 300mAH. The Bluetrum Technology AB5376T, 5.0 dual-talk high-version low-power core bluetooth chip has been significantly improved compared to the old version in terms of compatibility, stability, and functionality.
1. bluetooth chip and bluetooth version: Zhongke Lanxun AB5376T (Bluetrum Technology AB5376T), V5.0+EDR
2. bluetooth protocol: A2DPAVCTPAVDTPAVRCPHFP
3. Working frequency: 2.402GHz-2.480GHz
4. Transmission power: CLASS2 3DB
5. Temperature range: -20 to+70℃
6. Speaker size and impedance: ⊙8mm, 32Ω
7. Audio signal to noise ratio S/N: ≥100dB
8. Microphone sensitivity: -38Db±2Db
9. Microphone MIC: 4013 round wheat
10. Headphone battery: unilateral 50mAH, battery model 501015 polymer lithium battery
11. Charging box battery: 300mAH, battery type 602030 plus protection plate polymer lithium battery
12. Headphone charging current/voltage: 60mA/DC 4.8-5.3V
13. Headphone charging time: about 1 hour 14. Charging box charging time: about 2 hours
15. Transmission distance: ≥10 meters
16. Talk time: about 5 hours
17. Listening time: about 5 hours (the actual usage time depends on the song type and volume requirements, 80% volume)
18. Working current: 12mA
19. Leakage current after shutdown: 2.7uA
20. Standby time: about 70h (theoretical value. After the headset is connected to the mobile phone, the standby time when it is not working)
21. Charging port: Type-c
22. Number of times the charging box charges the headset: 3 times
1. Support bluetooth headset to play/pause music
2. Support music cut song (up and down song)
3. Support answering/hanging up/rejecting incoming calls/three-way calling
4. Voice call reminder
5. bluetooth headset operation voice prompt function
6. IOS system power display
7. Voice assistant
8. Support volume increase and decrease
9. Master-slave switching function
10. Applicable to smartphones with bluetooth function/notebooks, computers, tablet computers with bluetooth module, etc.
Operation exception handling method:
(1) Due to improper operation or shielding the earphone signal for a long time, there is no sound from a certain earphone, please
try to move to the range where the signal can be received, and then it can return to normal.
(2) For malfunctions caused by unknown reasons, turn off the headset and then turn it on again.
(3) If a single product is replaced or mishandled, the left and right headphones are disconnected, and the left and right headphones
(4) If there is no sound when listening to songs after the headset is connected to the mobile phone, please go to the bluetooth settings
of the mobile phone and find the name of the connected headset (V2). If it shows that it is connected, click the headset name again.
(5) If the two headsets are paired and the phone is connected, the headset has no sound after answering the phone. You need to check
the audio output of the phone. You can only select the bluetooth pairing name (V2) corresponding to the headset. bluetooth call.