Bluetooth 5.3 Transmitter Receiver Multifunctional 2 in 1 Wireless Adapter with 3.5mm Jack for TV CD Home Theater Item Type: Bluetooth 5.3 Transmitter Receiver Material: ABS Battery: Lithium Ion Battery 402030 (Built in) Capacity: 600 mAh Bluetooth Version: V5.3 Input or Output Connection: 3.5 mm Stereo Interface Bluetooth Configuration Files: A2DP, AVRCP Frequency Range: 2.4GHz-2.48GHz Working Distance: > 33 Feet (10m/32.8ft) Operating Time: >6 Hours Bluetooth Transmitter: Add Bluetooth Wireless Capability to your TV, PC, MP3 player, DVD Player and Enjoy Wireless Music and Sound. Bluetooth Receiver: Turn on bluetooth to any speaker, headphone, stereo system. (Each time the device is powered up, the transmitter will automatically connect to the last connected device.) Compatible: Compatible with for Android phone system and PAD and all Bluetooth sound devices such as TV, speakers, PC, CD player, tablet, MP3 player or car stereo, etc.