Feature 

1. Intelligent voice reminder, tell you the calling number
2. Neckband design, Confort in -ear earbuds
3. Supports FM radio 
4. Quality sound and noise proof
5. Taking photos function by Bluetooth 
6. Battery display function
7. Magnet design makes it easier to use
8. Strong compatibility to apply to 99% devices from the market 

Specification: 

 
Bluetooth version: Bluetooth 4.1 + EDR
Bluetooth chipset: AIROHA ( AB1510G)
Bluetooth profiles: A2DP/HFP/HSP/AVRCP
Transmission distance: 10m
Battery capacity: 140mAh
Play music time: 10 hours
Talking time: 12 hours
Charge time: 2 hours
Standby electric quantity: 0.5mA
Call electric current: 15mA