หูฟังไวเลส EARBUDS รุ่น EB-i7S

Specifications:

1. Driver: 15mm
2. Impedance: 32 OHM
3. Wireless version: Blue tooth v4.2 + EDR
4. Wireless use band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30mW
7. Wireless distance: 10 meters barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2V
10. Mic sensitivity: -42dB
11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12. Powerful noise de-noising circuit (active noise reduction)
13. switch between Chinese and English (boot does not connect Wireless state, press the switch 2 times, hear the tone switch successfully)
14. Talk time is about 4-5 hours
15. music time about 4-5 hours
16. Standby time is about 100 hours