Features:

1. Wireless bluetooth foldable adjustable headphones.

2. With memory card slot, insert TF card / micro SD card to play music

3. Support FM radio

4. Built in microphone and speaker, support hands-free answer and reject incoming call

5. Stetchable and foldable headband, curving head-style design

6. Rechargeable, high quality lithium ion battery, working time up to 10 hours

7. Compatible with most brands of mobile phone and tablet on the market.

Specification:

1. Speaker driver: D40mm
2. Bluetooth version: V3.0
3. Frequency response: 20HZ-20KHz
4. Operating distance: up to 10m (free space)
5. Charging port: Mini USB charging port
6. Battery capacity: 300mah

7. Charging time: 2-3 hours 
8. Talk time: 12 hours
9. Music time: 10 hours
10. Standby time: 180 hours
11. Product size: 170*175*83MM 

Package content: 

Bluetooth headphone x 1,

USB charging cable x 1,

Audio cable x 1,

Color box x 1.