Product specifications:
<br />Wireless: V4.2
<br />Support: L2CAP/A2DP(AVCTP/AVDTP/AVRCP), to receive stereo audio signal, can control the audio transmitter and up and down operation through the agreement; support HSP / HFP (Handsfree profile), with hands-free function, Can communicate with people.
<br />distance:10M
<br />SNR: 90db
<br />Battery: 1200mAh
<br />Built-in voltage: 3.7V
<br />Normal volume playing time:2H
<br />Speaker driver: ¢52mm*2
<br />Power: 4 /5W *2
<br />Frequency response:150HZ-20KHZ
<br />Unit size:80*80mm*180mm
<br />Unit weight: 590g
<br />Charging: 5V/500mA
<br />
<br />Product  Feature:
<br />1.International advanced Wireless audio decoder chip, support all wireless devices.
<br />2.With FM function, can search radio station broadcast automatically
<br />3.With Hi-Fi speaker, to make sure the clear and bright sound.
<br />4.Support Micro SD card and USB card.
<br />5.The wireless working distance is 10 meters.
<br />6.With LINE IN slot, to provide you with computer speaker function.  Can directly connect the outside devices, for example, tablet PC/TV/cell phones.
<br />
<br />Key and slot function:   
<br />1.DC 5V slot, (standard Micro USB V8 charging cable for power charging)
<br />2.TF slot: It can decode and play MP3 format audio when put TF card into the slot.
<br />3.USB slot: It can decode and play MP3 format audio when put the USB card into the slot. 
<br />4.LINE IN slot: Use the Mini 3.5 head input through outside devices.
<br />5.When play music, Press short for last song, long press to turn down the volume.
<br />6.When play music, press short for next song, long press to turn up the volume.
<br />7.When play music,(USB card/TF card/Wireless/line in), press short 
<br />for play/pause.
<br />In FM mode, press short to search station automatically, press again to stop searching. Under Wireless mode with mobile paired, when call coming, press short to answer a call hands-free, press again to hand up, press twice to ring up a call.
<br />8. When play music,(TF card/Line in/USB card/Wireless), short press to switch model, press long for power on, press long again for power off.
<br />
<br />NOTE: In the FM mode, put in micro charging cable to get better FM radio station. 
<br />
<br />Package 
<br />1 x Bluetooth Speaker
<br />1 x Manual
<br />1 x Aux Cable
<br />1 x Charging Cable