Description
- Bluetooth version: 4.2V
- Frequency range: 2.4-2.48GHz
- Transmission distance: up to 10m
- Faster transmission and lower power speaker diameter: ø6mm
- Frequency response: 20-20kHz
- Battery: Li-polymer (power bank 600mAh, earphones 55mAh)
- Playing time: up to 10H with power bank box(2.5-4 hours*4)
- Standby time: up to 120H
- Charging time: 1.5-2H
- Vibration alerts
- IPx4 sweat-proof
- Battery status display on Android/iOS
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