SOONHUA Bluetooth Wireless Speaker Stereo Surround Super Bass Loudspeaker Support Bluetooth TF AUX for Smart Phone Tablet Feature: Three Modes to Choose;Bluetooth Mode、Line in Mode、TF Card Mode. Bluetooth 3.0 Technology;This Sound Bar is with Bluetooth 3.0. Bluetooth module adopts RF technology. Effective distance can reach to 10 meters. It also support HSP/HPP/A2DP/AVRCP format. You can stream music from your multimedia device directly onto this speaker. Multi Modes Speaker;This Sound Bar is with 2.0 Channel multimedia speaker system. It can stream your music through Bluetooth connection. With 3.5mm line-in jack，also support external audio devices. Allows you to stream music to your other devices. It also support TF Card mode，enjoy your favorite music from your TF Card. Tips;if you want to connect your TV make sure your TV has 3.5mm AUX HOLE ,It is AntiMagnetic and AntiNoise. Parameter: Bluetooth：3.0+EDR Output Power：5Wx2 Unite Size：40mmx2 Impedance：4 Ohm Battery：3.7V 2000mAh Power Supply：DC 5V Frequency Response：100HZ-18KHZ Dimensions：400（W）x55（D）x60（H）mm Note: If you want to connect your TV make sure your TV has 3.5mm AUX HOLE ,It is AntiMagnetic and AntiNoise. If Devices Does Not Connect to Bluetooth，What Should We Do？ 1.you should check whether there is sufficient power 2.does any others device connect the speaker？You can try double-click the pause key to interrupt the Bluetooth connection 3.due to Apple mobile phone system update will lead to the connection is not on，you can try to restart the phone. Package includes: 1 x Bluetooth Sound Bar Speaker 1 x Micro USB Cable 1 x 3.5mm Audio Cable 1 x 3.5mm Double Side Converter 1 x Remote controler 1 x User Manual.