Features 1、Bluetooth Connectivity: Support Bluetooth transmission and reception, compatible with devices with a 3.5mm interface, featuring Bluetooth 5.1 for a stable connection and wonderful sound enjoyment. 2、Long Battery Life: Equipped with a 250mAh battery, our wireless Bluetooth AUX adapter offers 4 to 6 hours of playtime, allowing you to enjoy your favorite wireless content anytime. 3、Versatile Compatibility: This 2 in 1 Bluetooth adapter is compatible with devices that have a 3.5mm interface, such as TVs, computers, speakers, tablets, car stereo, home stereo systems, headphones, amplifiers, mixers, and other devices with sound input output interfaces. 4、Easy to Use: The Bluetooth transmitter receiver is user friendly with plug and play functionality. Single key operating makes it easy to switch between transmission and reception modes. 5、Compact and Portable: The compact design of this Bluetooth 5.1 transmitter receiver saves space and is perfect for travel, making it convenient to carry along wherever you go. Specification Item Type: Bluetooth Transmitter Receiver Material: ABS Bluetooth Version: 5.1 Transmission Mode: SBC, AAC Bluetooth Protocol Support: A2DP, AVRCP Function Mode: Bluetooth Receiver, Bluetooth Transmitter Transmission Distance: 10m Interface Type: AUX(IN/OUT) 3.5mm Sound Interface Input Voltage: Type C 5V 1A Battery Type: 250mAh Lithium Ion Battery (Built in) Package List 1 x Bluetooth Transmitter Receiver 1 x Sound Adapter 1 x Cable 1 x 3.5mm Sound Cable 1 x Type C Power Cable 1 x User Manual