Waterproof IPX7                                                               

Private model , Full metal charge base

IC chip: CSR64110 / Realtek 8763B

Battery: 85MAH

Charging base:  1500MAH

Bluetooth V4.2  /  V5.0

Frequency Range: 2.4GHZ

Operating range: up to 15m

MP3 Playing Time: up to 6 hours

Standby Time : 240 hours

Charging Time : 2hours

Charge Voltage: 3.7V

Earphone weight /pair:12.8g

ACCES: Micro USB charging cable

User manual                                                                      

Package box size: 130*100*45mm