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 -HD, -LL, , ,Adjustable volume Built-in Bluetooth Receiver: Stream audio wirelessly with the integrated Bluetooth receiver, compatible with 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 , , 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:,3.5 mm Inputs:Optical (SPDIF),Coaxial Type:Portable (The product appearance and printed words depending on the batch, but this does not affect use) Color: As Shown Material: Metal Package Contents: 1 x audio converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.