Bluetooth Version: 5.0

Bluetooth Profile: HFP, HSP, A2DP, AVRCP

Bluetooth Chipset: PIXART

Earphone Input - 5V, 50mA

Charging Case Input - 5V, 300mA

Impedance - 32Ω

Frequency Range - 2.402G~2.483 GHz

Charging Time - 1.5 Hour

Playing Time - Around 5 Hours

Standby Time - 90 Hours

Earphone Battery Capacity - 45mAh x2

Charging Case Battery Capacity - 550mAh

Battery Type - Lithium battery

Operating Distance - 10m