Bluetooth Profiles:    HSP, HFP, A2DP, AVRCP

Chipset:    JlieLi AB6976D8

Earbuds Input:    5.2V，40mA*2

Charging Case Input:    5.2V, 300mA

Impedance:    32Ω

Frequency Range:    20-20KHz

Operating Distance:    10m

Charging Time:    1.5 Hours

Playing Time:    5-6 hours