Description: This Bluetooth o transmitter receiver can be switched by button on the receiving state (RX) and transmission status (TX), and freely choose the wireless headset or speaker to connect. It looks cool with latest OLED screen design, which always display the Bluetooth name, effectively avoid the mistakes on connection. Low latency for high-fidelity stereo sound, no delay in content transmission in transmitter mode, which requires low latency supported Bluetooth headphones and speakers. It can pair to 2 headphones or speakers simultaneously while watching TV, movies or gaming, and automatically connects to the devices previously paired at power-up. Built-in 500mAh battery allows up to 10 hours use, in receiving or transmission status, after 3 hours full charged. And it continuously streams even while charging. Compact, lightweight, this small Bluetooth adapter easy to carry out. Equipped with 3.5mm AUX o cable, you can enjoy your favorite wireless content all the time. Specification: Material: Plastic Size: 58x57x16.5mm Net Weight: 35g Color: Black Interface: USB AUX Battery Capacity: 500mAh Package Includes: 1 set Wireless o Adapter