TWS I7s Bluetooth earphone Wireless headphones Sports headphones With microphone Bluetooth headset for iPhone Samsung Huawei Htc

Product parameters

1. Driver: 15mm

2. Impedance: 32 OHM

3. Bluetooth version: Bluetooth v5.0 + EDR

4. Bluetooth frequency band: 2.4 GHz

5. Power level: CLASS II

6. Output power: 30mW

7. Bluetooth distance: 10 meters barrier-free

8. Frequency response: 20-20000Hz

9. Operating voltage range: 3.0V-4.2V

10. Microphone sensitivity: -42dB

11. With A2DP / AVRCP high-quality stereo audio transmission and remote control protocol

12. Powerful noise cancellation circuit (active noise reduction)

13. Charging time is about 1 hour (power indicates charging: red light is on, fully charged: red light is on) off (blue light is on.)

14. Product size and color: diameter 25mm. 15 mm wide. 35 mm high

15. Color: black, white

16. Headphone battery capacity: 45mAh (standard equipped with 30mAh)

17. The weight of a single headset: 3.8g

18. Bottom compartment battery capacity: 350 mAh (for 150 mAh)

18. Weight of charging room: 23g

19. Charging time: about 30 minutes

20. Talk time: about 2.5 hours (standard 1 hour)

21. Play time: about 3 hours (standard 1.5 hours)

22. Standby time: about 100 hours

23. Bluetooth version: 5.0 (Jerry chip)

24. Bluetooth distance: 8-15 meters

25. Charging time of storage box: 4-5 times

26. Control method: button control

27. Charging power supply: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)

Features: