Item Type: Bluetooth 5.0 Transmitter and Receiver Material: ABS Color: Black Battery Type: Built in 160mAh Lithium Battery (included) Bluetooth Version: 5.0 Bluetooth Protocol Support: A2DP and AVRCP Transmission Distance: Greater Than 10m / 33ft (open space) Input and Output Connection: 3.5mm Stereo Interface Compatibility: for Android for iOS cell phones, tablets and other Bluetooth devices, and devices with input interface 1、2 in 1 Bluetooth Adapter: Provides Bluetooth capability to virtually any TV, PC or MP4 player with TX mode for completely wireless streaming; RX mode adds Bluetooth capability to a range of non Bluetooth headphones or speakers to experience high quality music. 2、Simultaneous Stereo Sound: Powered by premium aptx low latency deliver a synchronized streaming experience in TX mode and high resolution stereo with no latency. 3、Multi Connect in TX RX Modes: Share the fun with loved ones by pairing up to 2 devices at a time in TX and RX modes; please note that aptX Low Latency does not support dual connections. 4、Listen While Charging: 2 in 1 3.5mm wireless adapter can be used as a Bluetooth transmitter or receiver even while charging to stream great wireless HiFi without stopping. 5、Bluetooth 5.0: Get high quality listening and perfect streaming at a range of up to 33ft thanks to ultra stable Bluetooth 5.0, the simplification of wireless connectivity and maximum fidelity. 1 x Bluetooth 5.0 Transmitter and Receiver 1 x Cable 1 x Data Cable