AUDIO

Description: 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. Specifications: 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; Features: 1. Support Bluetooth headset to play/pause music; 2. Support music cut song (up and down song); ...