Transmitter Wireless Bluetooth Empfänger 3,5mm Cinch Musik HIFI Adapter 2 in1Audio
●●●It's a VAORLO Bluetooth audio receiver only, not a transmitter. Can only be used for audio transmission,So you couldn't use it for your keyboard, mouse, file transfer. (Note: It's a VAORLO Bluetooth receiver only, not a transmitter. ).