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
Whats in the box
Wireless Headset Bluetooth Earpieces I7S Tws Ear bud Twins Earphone With
