Prettyui Wireless Bluetooth Sports Headphones Headset Earphones With Hands Free Calling

Features:
Control your music player directly from the headset with functions such as play, pause, next & previous track, and volume
Serves as both a wireless music Headset and Bluetooth phone headset for hands free calling
Sleek, comfortable, lightweight design with up to 6 hours of music and talk time
New and improved design: Micro-USB charging port, increased battery time, and modified LED design
Specifications:
1. Bluetooth Version: Buletooth 3.0 + EDR, wireless transmitter standard of class II
2. Frequency Coverage: 2.402~2.480GHz ISM band
3. Sensitivity: -80dbm
4. Transmit Range: up to 10m
5. Transmit Speed: 57~723Kbps
6. Stereo Compression Ratio: 44.1/ 48kHZ
7. Channel: 79 channels of 1MHz, B/W
8. Contact Terms: Point-to-Point
9. Battery: Built-in Rechargable Li-ion Battery
10. Charge Power : PC USB, 5V
11. Charging Time: 1-2 hours
12. Stand By Time: 4 days
13. Working Time: 4-6 hours
14. Color:Black, Blue, Green and Red