Features:
BT5.0 technology & HiFi sound quality, low power consumption, high stability.
Compatible with QI wireless-standard, support multiple charging-devices, more convenient.
The left/right ear can be switched freely at any time.
Intelligent one-button operation, farewell tedious button.
Power on: open the upper cover of the charging-box and the headset will start up automatically.
Pause/play: touching twice (both main and auxiliary earphones are ok).
Answer/hang up: touching when calling - answer ; Long press one second - refuse to answer (both main and auxiliary earphones are ok).
Last song/next song: three consecutive touching to the left ear/three consecutive touching to the right ear.
Tap the touching area for two seconds to activate Siri, which also supports the Android voice assistant.
Ergonomic design, comfortable to wear, not easy to fall off.
The-power-of the headset can be directly displayed on the status-bar on the phone screen.
Specifications:
Item type: Headset
BT version: BT5.0
BT distance: L≥10M
Earphone charging-time: Approx. 30min
Earphone play music time(Full-power): Approx. 3-4h
Earphone box charging-time: Approx. 1h
Earphone battery-capacity: 30~33mAh
Charging-box battery-capacity: 300mAh
Compatible system: Compatible with IOS/Android/Mac-OS/Windows
Package weight: 138g/4.86ounces 
Package size: 100*100*35mm/3.93*3.93*1.37inches
Package list:
2 * Earphones
1 * Charging-box
1 * Manual
1 * Cable