● BT Specification:  Bluetooth V5.3
● BT Chipset: JL6983D
● BT Profiles Supported:  A2DP, AVRCP, HFP, HSP.
● Operating Distance:  10 meters
● Speaker diameter: 10mm
● Impedance:  16 Ohm
● Sensitivity:  95dB at 1KHz
● Frequency Range:  20Hz – 20KHz
● Battery Capacity (Each ear bud)  :  30mAh
● Battery Capacity (Charging Dock):  300mAh
● Calling time: 3.5 hours
● Music play time: 5 hours
● Play cycles per full charge: 5 rounds
● Battery life per full charge: 25 Hours
● Charging time: 2 hours
● Stock: Type C