TWS (True Wireless Stereo) earphones V4.2+EDR
- Model: i7S TWS
- Wireless version: V4.2+EDR
- Speaker impedance: 32db
- Microphones sensitivity: 42Db
- Frequency: 2.40Ghz
- Battery capacity: 55mAH/600Mah
- Working temperature: -10-55°C
- Input: DC5V
- Transmission distance: 12m
- Playing time: 3-4 hours
- Charging Time : 1-2 hours
- Standby time: 100hours
Compatible with: IOS & Android devices
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