... TV, MP3, PMP, Computer etc(any audio appliances) 3. Wireless stereo speaker/cradle with built in type headset 4. FM music + 9FM ... channel frequency memory 5. Using rechargeable battery in speaker/cradle 6. Many people can share a music and movie ... right with the wireless audio speaker(cradle/speaker, model-Nr.: BMS-S100, optional component), you will be provided with rich stereo speaker sound.