Stereo: P3D set includes P3 Bluetooth audio receivers for dual mono or stereo audio. P3 units can be linked in order to receive a stereo signal. Wireless connect: Connects smartphones & laptop to audio broadcast systems via Bluetooth to amplify music or other audio. 100 ft Range: Stable connectivity over a 100 ft range (line-of-sight without obstacles). Gives you ample coverage for parties, events and weddings. 8 hours life: Internal rechargeable battery provides 6 hours of operation, USB Type-C port for charging via any 5V USB power source. Color: black Material: ABS Package Contents: 1 x P3D Wireless XLR Receiver 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.