Support call, music, voice prompt, listen to e-books
Bluetooth protocol: A2DP, AVRCP, HFP, HSP
Call Duration: 6 hours
Music duration (normal volume): 5 ~ 6 hours
Battery capacity: 40 mah
Charging case battery capacity: 400 mA
Specifications:
Charging case Charging input: DC5.0V=400mA
Charging box output: DC5.0V=70mA (single)
Main competitive advantage: Distance of 20 meters (with no obstacles)