2-in-1 Bluetooth 5.0 Wireless Audio Aux 3.5mm Adapter Transmitter and Receiver Bluetooth Transmitter Receiver Features: - This extremely portable, lightweight wireless audio transmitter and receiver is an ideal wireless audio solution for a wide range of situations and uses. - Transmitter Mode: Wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers. - Receiver Mode: Wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones. - Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using advanced Bluetooth technology and 3.5mm audio cable (included). - Super-Portable Audio-Streaming Power: The KN321 is just 44mm (1.73) across and weighs only 18g (0.63oz), but has got powerful wireless audio streaming capabilities. Slip this transmitter/receiver into your backpack or laptop bag and take it on-the-go without the slightest effort. - Wide Compatibility: With the included 3.5mm cable and 3.5mm to 2RCA cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc. Bluetooth Transmitter Receiver Specification: Type : Bluetooth 5.0 Audio Bluetooth Transmitter Receiver Bluetooth Transmitter Receiver Technology : BT5.0, A2DP, AVRCP Bluetooth Transmitter Receiver Operation Range : Up to 10m Bluetooth Transmitter Receiver Charging Time : 2 hours Bluetooth Transmitter Receiver Working Time : 4 hours Bluetooth Transmitter Receiver Battery Type : Li-Polymer (200mAh) Bluetooth Transmitter Receiver Dimensions : 44 44 12mm Bluetooth Transmitter Receiver Weight : 18g Package Includes: 1x Bluetooth 5.0 Audio Bluetooth Transmitter Receiver 1x Micro USB Power Cable 1x RCA Cable 1x 3.5mm Aux Cable 1x User Manual