Product Information:
 
NC3161 Bluetooth 5.0 Stereo Headphones, Mini earphones for Android smartphones, iphone and Bluetooth / TWS compatible systems
- Hands free: Yes
- Headphone battery: 30mAh
- Charger base: 300mAh
- Transmission distance: 12 meters
- Duration of operation: 3 or 4 hours
- Charging time: 60 minutes
- Standby time: 100 hours
- Frequency range: 20-20,000Hz
- Impedance: 32 Ohm
- Compatibility: IOS and Android
- Gray