??The device integrates Bluetooth Receiver and Bluetooth Transmitter£¬ which will bring you much convenience. It can change the Ordinary Speaker into the Bluetooth-enabled Speaker and let the Ordinary TV£¬ MP3 / MP4 and Computer£¬ etc has audio transmitting function.. With this product£¬ the Ordinary Speaker can wirelessly receive and play the music of your smart phones£¬ Tablet PC£¬ notebook and other Bluetooth-enabled music player devices£¬ and the Ordinary TV£¬ MP3 / MP4 and Computer£¬ etc can transmit audio / music to the Bluetooth-enabled Speaker or headphones£¬ etc. The Transmitter &amp; Receiver Adapter offers you the ideal solution to link your music devices you need it anytime and anyplace.<br> Note: The working and standby time may vary when used with different mobile phones or other compatible Bluetooth devices£¬ usage setting£¬ usage styles and environments.<br> <br> Features:<br> 2-in-1 Bluetooth receiver and transmitter Adapter which incorporates codec for less high audio quality technology.<br> Change the Bluetooth Transmitter &amp; Receiver Adapter into ¡°RX¡± mode£¬ after connected the Bluetooth Transmitter &amp; Receiver Adapter with the Ordinary Speaker via the included 3.5mm audio cable£¬ the Ordinary Speaker is turned into Bluetooth-enabled Speakers.<br> When change the Bluetooth Transmitter &amp; Receiver Adapter into ¡°TX¡± mode£¬ the connected Ordinary TV£¬ MP3 / MP4£¬ CD player and Computer£¬ etc can transmit audio / music to the Bluetooth-enabled Speaker or headphones£¬ etc.<br> Simple one-button switch to shift between Transmitter (TX) and Receiver (RX) mode.<br> Elegant and fashionable appearance£¬ simple and easy design£¬ compact and portable.<br> Perfectly suitable for Speakers£¬ TV device£¬ MP3 / MP4 and Computer with 3.5mm audio interface.<br> Applications: Car / Vehicular Audio System£¬ Home Audio System£¬ TV Computer MP3 / MP4£¬ etc.<br> Perfectly suitable for home use£¬ travelers or businessman use.<br> The Adapter also supports the audio of online games / TV / Movie£¬ and real-music transmission since it with low latency codec.<br> High-quality built-in rechargeable battery offer long working time.<br> <br> Specifications:<br> Bluetooth V2.1+EDR<br> Bluetooth profile supported:A2DP and AVRCP<br> Supported codec: SBC<br> Operation range: Class 2~10 meters<br> TX mode working time: up to 8 hours<br> RX mode working time: up to 7.5 hours<br> Standby time: up to 200hours<br> Charging Time: about 1.5 hours<br> Charging input voltage: DC 5V<br> Battery:170mAh rechargeable Li-polymer battery<br> Color: Black with Yellow<br> Main item size: 5.7 * 5.6 * 1.8cm / 2.24 * 2.20 * 0.7in<br> Main item weight: 29g / 1.02oz<br> Package size: 15.8 * 10.8 * 5.5cm / 6.22 * 4.25 * 2.16in<br> Package weight: 166g / 5.86oz<br> <br> Package list:<br> 1 * Bluetooth Audio Receiver with USB EU Wall Charger<br> 1 * 3.5mm Audio Cable<br> 1 * 3.5mm Audio to RCA Cable<br> 1 * USB Cable<br> 1 * English / Chinese User Manual<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>