Coocheer Bluetooth Stereo Transmitter, Wireless Portable USB Transmitter Adapter Dongle for Headphones, TV, Desktop, Tablet, Laptop, MP3 MP4 Player, CD DVD Players and other 3.5mm Audio Devices The music from your TV, PC and other device can be transmitted wirelessly to your bluetooth receiver device via this product. Bluetooth receiver device supporting A2DP profiles, such as bluetooth headset, bluetooth speaker, etc. Bluetooth 3.0 Stereo Transmitter, pair easily with Bluetooth headphone, headset, speaker and other Bluetooth receivers Instant wireless audio for your 3.5 mm music device (CD player, MP3, DVD, etc.) Bluetooth Stereo Transmitter 12 hours working time with a single charge, works while charging