● The wireless speaker can be compatible with multi-media appliances such as PC/MP3/MD/CD/DVD/PS. With high sensitivity, resist disturb, the sound signal can penetrate barriers like walls and objects within valid distance. The wireless technology lets you transmit sound up to 8 metres from your receiver for listening freedom without any angle limitation. You can use several receiver speakers in the same frequency. ● FM RADIO, with built-in FM radio, it can automatically search and fix on the channel of broadcasing. ● CLOCK, LCD time display and frequency display. ● WIRED SPEAKER, with audio line it can be used as wired speaker. Dimension : 30x6x8CM Weight : 1kg