Bluetooth-compatible version: JL-5.0 Size: 100x60x25mm Charging: DC 5V Battery: 300mHa Working time: 6hours Charging time: 2 hours Output: 3.5MM audio output Product with packaging weight: 65g This product connects to Bluetooth-compatible devices (such as mobile phones), and uses the AUX interface to input audio to other audio devices that have no Bluetooth function. This product uses AUX to connect with the playback device, and transmits audio to the Bluetooth receiving device via Bluetooth-compatible (such as Bluetooth headset) Specifications: Features: Support audio equipment with audio input interface to realize wireless audio reception and transmission Support automatic search and connection of Bluetooth compatible devices to achieve wireless audio transmission Built-in AEC noise cancellation and ANC noise cancellation circuit, gorgeous stereo sound, more pure sound quality Built-in enhanced signal transmission circuit, fast connection, more stable and continuous tone Compatible with dual lossless audio formats Support AUX IN/OUT Automatic memory connection function, simpler operation and more convenient connection Built-in battery, long battery life Smart compatible, Android, IOS system mobile phone and PAD, and most Bluetooth audio devices The product connection is simple, without any cumbersome driving and downloading APP; The launch state supports one for one function Support stereo in transmit mode Package Included: 1*Host 1*audio cable 1*power supply line 1*Instruction