Features 1、Lightweight portable wireless audio transmitter and receiver, perfect wireless audio solution for various kinds situation and application. 2、Transmitter mode: Wirelessly transfer audio from non‑Bluetooth TV, home stereo system or for CD player to Bluetooth headset or loudspeaker. 3、Receiver mode: Wirelessly transfer audio from Bluetooth‑enabled mobile phones, tablets or computers to wired stereo, loudspeakers or headphones. 4、Ultra portable audio streaming power supply, this transmitter and receiver in your backpack or laptop bag and take it with you without any effort. 5、Wide compatibility, with 3.5mm cable and 3.5mm to 2RCA cable, this receiver transmitter adapter can widely used in your computer, laptop, home stereo system, headset, smartphone, Mp3 player, for CD Player, etc. Specification Condition: 100% Brand New Item Type: Bluetooth 4.2 Audio Transmitter/Receiver Adapter Material: ABS Color: As Pictures Shown Technology: Bluetooth 4.2, A2DP, AVRCP(Just Receiver Mode) Working Range: Up To 10m/33ft(Without Any Obstructions) Charging Time: 2 Hours Continuous Using Time: 6 Hours(Receiver Mode)/5 Hours(Transmitter Mode) Battery Type: Polymer Lithium Battery Battery Capacity: 200mAh Weight: Approx. 67g Package List 1 x Bluetooth 4.2 Audio Transmitter/Receiver Adapter 1 x Micro USB Power Cable 1 x For RCA Cable 1 x 3.5mm Assist Cable 1 x User Manual