Material: plastic.<br>Color: show as pictures.<br>Bluetooth Version: V5.0.<br>Audio output mode: 3.5mm.<br>Battery: 300mAh.<br>Working hours: 5 hours.<br>Charging time: 2 hours.<br>Specifications:<br>Bluetooth 5.0, signal transfer is faster, stable and in higher quality.<br>2 in 1 bluetooth adapter with bluetooth receive and bluetooth transmit.<br>Compatible with Android/IOS phone systemand all bluetooth audio devices for TV, Speaker, PC, etc.<br>High-fidelity Stereo Sound quality debugged by professional tuner. You can enjoy TV show with your Bluetooth headphones and to avoid disturbing others.<br>Enables your PC or laptop to wirelessly connect with bluetooth-enabled devices, like Smartphones, tablets, keyboards, mice, speakers, printers, headsets and more.<br>Support audio equipment with audio input interface to realize wireless audio reception and transmission.<br>Supports automatic search and connection of Bluetooth devices to realize wireless audio transmission. Built-in AEC echo cancellation and ANC noise cancellation circuits, gorgeous stereo, and more pure sound quality.<br>Built-in enhanced signal transmission circuit, faster and more stable connection.<br>Compatible with dual lossless audio formats,Support AUX IN/OUT.<br>Automatic memory connection function, easier operation and more convenient connection,Built-in battery, long battery life.<br>Smart Compatibility, Android, IOS system phones and PADs, and all Bluetooth audio devices<br>The launch state supports the one-to-two function,Stereo supported in transmit mode.<br>Package Included:<br>1 x Bluetooth Wireless Receiver Transmitter.<br>1 x USB Charging Cable.<br>1 x 3.5MM Audio Cable.