Blutooth Trasmitter, Support Dual Headphones,It can be paired with 2 Bluetooth headsets or speakers at the same time No LIP-SYNC Delay, Support bluetooth audio aptX-HD, aptX-LL, aptX, SBC,Adjustable volume Built-in Bluetooth Receiver: Stream audio wirelessly with the integrated Bluetooth receiver, compatible with various devices for flexible, cable-free listening Volume Control: Easily adjust the volume to your preference directly through the device, providing you with full control over audio output levels Perfect for Home Entertainment: Ideal for use with PS4, TVs, and amplifiers, this converter ensures a seamless setup for your home theater or gaming setup Specifications Hign-concerned Chemical:None USB Compatibility:None Bluetooth: Yes Outputs:RCA,3.5 mm Inputs:Optical (SPDIF),Coaxial Type:Portable (The product appearance and printed words may vary depending on the batch, but this does not affect use) Color: As Shown Material: Metal Package Contents: 1 x audio converter