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 Temperature: -10-55 Degrees</Working Hours: Aux: 15 Hours Spdif: 12 Hours</Weight With You Will Receive 118G</Product Size: 60X60x20mm</Packing Size: 160X105x31mm</ Convenient Parcel Collection: Collect your order from participating NZ Post outlets, Countdown supermarkets, or Z Energy stations. Find a Location Search the NZ Post Locator and filter by Collect a parcel. You MUST Sign up with NZ Post to get the delivery address!