Description: The Bluetooth Transmitter make everything Bluetooth enabled, allow you to enjoy the fun of wireless connection, and it can be paired with two Bluetooth receivers (like 2 headphones) simultaneously. Turn on the switch, A/B blue light flashes, after the connection is successful, the blue light is always on, and the working status can be seen at a glance. This Bluetooth audio adapter makes your TVs and other devices which Bluetooth enabled to stream audio to your Bluetooth headphones. Low Latency for high-fidelity clear stereo sound, lag-free content streaming in transmitter , bringing you a richer and deeper sound experience. Plug and play. With a built-in 300mAh rechargeable battery, It only takes 1-2 hours to be fully charged and works for 6 hours. Equipped with 3.5mm AUX audio cable. Specification: Material: Plastic Electronic components Bluetooth Version: Bluetooth V5.0 Working Frequency 2.402G -2.480G Built-in Battery: 300MAh Charging Voltage: DC 5V Use Time: 6 Hours Bluetooth Protocol: 5.0 EDR, A2DP, HSP, AVRCP Bluetooth-compatible Distance: 10m (Open Area) Output Connection : AUX 3.5mm Color: Black Size Chart: 63.846.9mm/2.511.85inch Package Includes: 1 Piece Bluetooth Audio Transmitter 1 Piece 3.5mm Aux Cable 1 Piece USB Charging Cable 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!