HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. This Is A 3.5Mm Bluetooth transmitter-Receiver Dual-Purpose One-To-Two Bluetooth Adapter With Optical Fiber Which Can Connect Two Devices At The Same Time. When It Is Used As A Bluetooth transmitter It Can Wirelessly Transmit Music From Mobile Phones Walkmans Tvs Computers And Other Devices To Your Bluetooth Receiver Stereo Bluetooth Headset Bluetooth And Other Devices. When It Is Used As A Receiver It Is Used As A Bluetooth Stereo Headset (Only Need To Plug The Headset Cable Into The 3.5Mm Interface) Or Connected With The And The Amplifier Through The To Realize Wireless Bluetooth Transmission And Playback Of Audio Signals From Mobile Phones Or Computers. Features: Name: Bluetooth transmitter Material: Abs Bluetooth Version: V5.0 Class Ii Bluetooth Chip: Csr Bc8670 Frequency Range: 2.402Ghz-2.480Ghz Bluetooth Protocol: Rx: A2dp Avrcp Tx: A2dp Transmit Mode: Support (Connect Two Bluetooth Speakers Or Headphones At The Same Time Use A Codec At The Same Time) Receiving Mode: Support (One For Two Functions Two Mobile Phones) Codec: Sort Tx: Respectively: Preferred Apt-X Second: Sbc Third: -Ll Fourth: Faststream Rx: Sbc Note On Using : Apt-X 48Khz Codec Is Preferentially Supported For Single Connection (Headphones Or Speakers Must Also Support Apt-X). If It Is Dual Connection It Will Automatically Switch Sbc Codec. Battery Specifications: 350Ma Rechargeable Lithium Battery Charging Power Supply: 110-240V Ac Adapter 5Vdc300Ma Working Temperatur