Main Features:
TWS earbuds with MP3 player, Support stereo music playing
Support the cell phone incoming call, hanging up functions
Support binaural call
Can be used in single mode or twins mode
Support Siri/ voice assistant
Auto Power On/Off
Full touch operation
Music playing time: 3.5 hours
Talking time: 3 hours
Support MP3, WMA, WAV, APE, FLAC, AAC music formats
Support Micro SD card
Support line-in function

Specification: (Bluetooth Version 5.0)
Master chipset: Action ATS2831+Bluetooth chipset:Action ATS3009
Battery capacity: 40mAh for earphone; 500mAh for charging box
Working distance: ≥10M
Charging time for earbuds: 1.5 hour
Earbuds size: 42mm x 17mm x 17mm 
Charging box size: 58mm x 48mm x 25mm
USB charging port: Type-C
Waterproof level: IPX4
Color：black, green, white, blue, pink, yellow, red