Features
Bluetooth 4.1 wireless earphone
Frequency range: 2.4GHz-2.4835GHz
Transmission power :Class 2
Transmission distance: 10M
Charging time:30-40mins
Playtime: 6hours (80%battery)

What's in the box
Bluetooth speaker x 1
Micro charging cable x 1
Cloth clip x 1
User manual x 1