Feature:1. model model T502. Product Type Stereo type bluetooth Headset3. channel system Track system True stereo4. Control mode The control mode 1 physical button5. Active Passive Active Passive Active6. bluetooth Solutions bluetooth Solutions L8763 Ultra Low Power Chip7. bluetooth version bluetooth version bluetooth V5.08. Support for bluetooth Protocol Support bluetooth profile HSP1.2, HFP1.6, A2DP1.3, AVRCP1.58. bluetooth working frequency bluetooth working frequency 2.4GHz-2.48GHz9. Receive Sensitivity (TYP) -91dBm10. bluetooth effective range bluetooth range Straight line10-20 meters11. Best Call Distance (TBR) 6 meters12. Headphone maximum power Max power 0.3W13. Headphone amplifier type Power amplifier type Chip built-in14. audio signal to noise ratio S / N96dB15. Frequency response frequency response 20Hz~20KHz16. Speaker unit Speaker type 6mm, 32R high fidelity17. Built-in battery Battery single-ear polymer battery 3.7V, 45mAh, base charging polymer pool 3.7V, 500mAh18. Music time Music time is about 4 hours (80% volume)19. Talk time Talk time about 5 hours (90% volume)20. Charging input criteria Micro USB, DC5V,1A21. Charging time The headset is fully charged for approximately 1.5 hours and the base is fully charged for approximately 2.5 hours.22. Battery cycle life Headphone charging and discharging cycle500 times, base charge and discharge cycle23. TemperatureHumidity Range In dry and ventilated rooms, avoid contact with corrosive substances and keep away
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