Firstsing Business Smart Wireless Fast Charging Bluetooth 4.1 Headphone CVC noise reduction Earphone for IOS Android

Bluetooth Version:4.1
Chip:CSR8615
Transmission Distance:≥10m(without obstacles); ≥4m(obstacles).
Battery:70mAh
Operation:Class 2
Mode:headset/handfree/A2DP/AVRCP
MP3 Playing Time:5-6 hours
Standby Time:160 hours
Charging Time:2-3 hours
Wireless charging,easy use-adopt wireless inductive charging,no metal contact,put down to charge,convenient and safe.
Smart fast charging-Adopt WPC QI fash charging technology.It can reduce the charing time and carry less hurt for the battery.
Charging smart recognition-Smart recognition protection,even if the device is charging,you touch the charging pad accidentally,it will not hurt you.
Long time to listen to music-Adopt polymer lithium battery sleep function and save more power.
Selected high quality silicone don't hurt ear.
Multi- points connection: can connect to two devices.
Display battery level on IOS/Xiaomi MIUI and other smartphone.