Features:
Wireless Bluetooth 4.1 Technology can transmit strong signal in high speed and offer high-quality stereo music, filling your world with premium sound.
Sport and lightweight design guarantees perfect stable and comfortable when walking, exercising, running, climbing, driving, skating, cycling, fishing and other outdoor sports.
With a wireless transmission distance 32.81 ft(10 meter), you can enjoy the freedom to move and the convenience of uncompromising sound quality. And can simultaneously connect two smarts phone. So you can seamlessly switch between your business and personal phones.  
Built-in rechargeable lithium battery lasts 5 hours of Talking Time, 4 hours of Music Playing Time and 200 hours of Standby Time per charge cycle. And this Bluetooth headphone has full function of touch control, volume keys, number redial, voice reporting or reject incoming calls, etc.
Suitable for most Bluetooth-enabled mobile phones.

Specification:
Material: ABS
Bluetooth version: V4.1+EDR
Transmission frequency: 2.4GHz-2.48GHz
The main chip: CSR46110 chip
Battery Model: Built-in polymer battery
Talk time: About 4 hours
Music playing time: About 5 hours
Standby time: Approx. 200 hours
Charging time: About 1 hour
Voice call: Support
Transmission distance: Approx. 10 meters/32.81ft
Main functions: stereo, voice control, call, power display, touch control, number redial, volume key, voice reporting or reject incoming calls, etc.
Compatible: For most Bluetooth-enabled mobile phones
Color: Black, Grey(Optional)
Weight: 100g
    
Package List:
1 x Pair Bluetooth Headset   
1 x Pair Big Ear Cap
1 x Pair Small Ear Cap
1 x USB Cable
1 x Bag
1 x User Manual