Parameters：

Bluetooth version: V5.4
Available system: Android&iPhone
Charging Voltage: DC 5V
Headphone Charging Time: about 1.5h
Standby Time: About 800h
Battery capacity(case): 500mAh
Battery capacity(earphone):40mAh
Bluetooth profiles: HFP/HSP/A2DP/AVRCP
Low Power Reminder: Voice
IPX6 Waterproof and Dustproof
High Quality HIFI OWS Headphones