Material: ABC+PC 

 Bluetooth Solution: Bluecom AB5656B3                      

Bluetooth Pairing Name: TWS-F 

 Bluetooth version: 5.4 

 Charging port: TYPE-C s

 Headphone Speaker Material/Specifications: 16 Ohm Dynamic 1509 Speaker 

 Speaker power: 30mW 

 Microphone: Metal Round Mic 

 Built-in battery: 3.7V 80MA battery with protection board 

 Battery model: 400737 

 Transmission distance: > 10m 

 Call duration: >4 hours 

 Playback duration: 6 hours 

 Prompt sound: English