Wireless audio sound system for Apple, Android and PC devices. It works at 2.4 GHz with a reach of 30 m with no radio signal interference and provides 48 kHz, 16 bit audio with a frequency response of 15 – 20 000 Hz. The internal battery allows for 4-6 hours of continuous use, an external AA battery adaptor enhances it to 13 hours. The package includes: Main device – Transmitter 2 x – USB and Apple 30-pin, Receiver with a built-in mic, cables – 3.5 mm to 1/4" TRS Y-split stereo, 1/4" to 1/4" TRS stereo, 3.5 mm to Stereo RCA L+R adaptor, USB cables, USB power adaptor and a hard case. Dimensions: 13.5 x 22.9 x 6.6 cm. Weight: 680 g.