Features: Lightweight and compact size makes the transmitter very portable. Great compatibility makes the transmitter can be used in multiple scenarios. Through the complimentary 3.5mm audio cable and signal cable, this product can be widely used in your computer, laptop, home stereo system, headset, smart phone, MP3 player, CD player, etc. Built in Li-polymer battery provide long time working time. Large transmitting speed reaches 24Mbps with a maximum operating range of 10m/33ft(no block). Specification: Project:TI Item Type:Transceiver Transmitting Speed:24mbps Technology:Compatible With Bt4.2,A2dp,Avrcp(Receiver Mode Only) Operation Range:Maximum 10 M / 33 Ft (Without Any Blocking Objects) Charging Time:2Hours Continuous Using Time:6 Hours(Receiving Mode)/5 Hours (Transmitting Mode) Battery:Li-Polymer Battery(200mAh) Package List: 1 x Main Unit 1 x Power Cord 1 x Signal Cord 1 x Audio Cord 1 x User Manual(English) 1、Lightweight and compact size makes the transmitter very portable. 2、Great compatibility makes the transmitter can be used in multiple scenarios. 3、Through the complimentary 3.5mm audio cable and signal cable, this product can be widely used in your computer, laptop, home stereo system, headset, smart phone, MP3 player, CD player, etc. 4、Built in Li-polymer battery provide long time working time. 5、Large transmitting speed reaches 24Mbps with a maximum operating range of 10m/33ft(no block).