Logitech Bluetooth Audio Receiver. Host interface: 3.5 mm, Bluetooth profiles: A2DP, Transmission distance: 15 m. Power source: AC, Power plug type: Type C. Width: 50.8 mm, Depth: 57.1 mm, Height: 22.3 mm. Included power plug types: EU, Cables included: AC, RCA, Packaging content: Bluetooth Audio Adapter RCA to 3.5 mm cable Power cable User documentation 2-year manufacturer's.... Master (outer) case width: 123 mm, Master (outer) case length: 223 mm, Master (outer) case height: 174 mm