BT Version: V5.1

Frequency：2400MHZ-2480MHZ

mpedance：32Ω+15%

Rated Power：4mW

Case Battery：300mAh

Buds Battery：40mAh

Charging times：3

Input：DC5V 500mA

Play Time：Up to 6hrs.

Standby Time：Up to 280hrs.

Charging Time：1.5hr.(earbuds)