Features:
1.Bluetooth V5.0 and Hands-Free Calling: stable signal transmission and clearer stereo generation,and built-in microphone, you can wirelessly answer the phone by pressing the button
2.High-performance battery: built-in 300mAh battery,provides up to 30 hours' music and 300 hours' standby time after fully charged
3.Digital LED Power Display: You can easy know when is the best charging time
4.intelligent noise reduction technology: HiFi sound effect music or have HD phone talking
5.Comfortable Design: Lightweight bluetooth headset and adjustable earbud does not cause any burden to your ears, suitable for drivers or businessmen

Specification:
Type: A20 Bluetooth Headset
Bluetooth version: V5.0
Transmission Distance: 10m(33 fts)
Battery Capacity: 300mAh
Charging time: 2 - 3hours
Call Time: 30hours
Standby Time: 300 hours
Speaker impedance: 16Ω
Frequency response 20HZ-20KHZ
Waterproof rating: IPX7 waterproof

Package Including:
1xBluetooth Headset
1xUSB cable
2xEarphone cap
2xEarphone hook
1xUser Manual