I7 I7S TWS Twins Bluetooth Earbuds Mini Wireless Earphones Headset sales007(at)dycigs.com
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I7 I7S TWS Twins Bluetooth Earbuds Mini Wireless Earphones Headset with Mic Stereo V4.2 Headphone for Iphone Android with retail Package
Package Includes:
2 x earphones
1xUSB Charging Cable
1xUser Manual
1xcharger box
1x retail packing
Specification
1. Driver: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth v4.2 + EDR
4. Bluetooth use band: 2.4GHz
5. Output power: 30mW
6 Bluetooth distance: 10 meters barrier
7. Frequency response: 20-20000Hz
8. Operating voltage range: 3.0V-4.2V
9.Mic sensitivity: -42dB
10. Powerful noise de-noising circuit (active noise reduction)
11. Talk time is about 1.5 hours
12. music time about 2 hours