Main Features: 
<br />- Wireless Bluetooth design, free your hands from now on 
<br />- Compact and round appearance, fashionable and distinctive 
<br />- Super portable, fitting into your bag or pocket easily 
<br />- Support TF card and USB 
<br />- Built in microphone for hands-free calls or voices chat 
<br />- With FM function 
<br />- Support line in and line out 
<br />- Powered by built-in lithium ion battery 
<br />- Compatible with all Bluetooth enabled devices such as phone, pad, PC and so on 
<br />
<br />Specification: 
<br />- Cable length: 50cm 
<br />- Battery type: lithium ion battery 
<br />- Battery capacity: 1200mAh 
<br />- Charging time: 1.5 hours 
<br />- Working time: 1 - 3 hours 
<br />- Working voltage: 3.7V 
<br />- Working current: 60mAh 
<br />- Frequency: 100Hz - 20KHz 
<br />- Sound channel: mono 
<br />- Number of speakers: 1 
<br />- Power output: 3W 
<br />- Bluetooth version: 2.1 + EDR 
<br />- Speaker impedance: 2 ohm 
<br />- Signal to noise: more than 80dB 
<br />- TF card extension: 8G
<br />- Standby time: 30 hours 
<br />- Protocol: A2DP HSP HFP AVRCP 
<br />- Transmission distance: 10m 
<br />
<br />Attention: 
<br />- Do not place in hot or humid place, avoid direct sunlight
<br />
<br />Net weight: 0.14 kg 
<br />Product Size(L x W x H): 5.7*5.7*6cm
<br />Package Size(L x W x H):6.5*6.5*7.8cm
<br />Package Contents: 1 x Speaker, 1 x Cable