awei A996BL Fone de ouvido Bluetooth sem fio dobrável (preto)

1. Bluetooth version: V5.0 Jerry 6956 2. Channel system: two-channel 3. Battery capacity: 3.7V 300mAh 4. Bluetooth protocol: A2DP, AVRCP, HSP, HFP 5. Battery life: about 16 hours (80% volume) 6. Charging time: 2H 7. Music time: about 16H (80% volume) 8. Talk time: about 10 hours (80% volume) 9. Frequency range: 20Hz-20KHz 10. Call distance <1M 11. Transmission distance 10M 12. Speaker unit: full-range speaker 40mm 32ohm ohm 13. Microphone MIC: -42+/-3dB 14. Included accessories: USB charging cable, manual, audio cable 15. Equipped with 40mm coil bending and stretchable HD microphone pickup Lightweight and comfortable design Stress-free with retractable beam and flexible ear cups, suitable for different genders, ages 16. Bluetooth 5.0, stable connection and anti-interference, no stuck, fast connection speed, stable transmission 17. Ergonomic design, comfortable to wear 18. Foldable design, easy to carry