HS120BT, Seamlessly combining a powerful 40 watts speaker & a VHF wireless microphone system into one compact & lightweight portable PA system, the HS120BT has everything needed for sound amplification, the sound can be streamed from a Bluetooth from your cellphone. No assembly required! No extra equipment to purchase! Open the box and switch it on, let the show begin! Powered by a Li-ion rechargeable battery, the HS120BT can be used continuously for up to 12 hours when fully charged, ideal for small or large events, indoor or outdoor. A power cord is included for charging the battery and powering the unit while it’s plugged in. For added convenience, a 12V DC power cord is also included for using in an automobile. Built-in with a VHF wireless receiver, the HS120BT include a total of three microphones, a handheld microphone, a belt-pack transmitter with a headset or a lapel to choose. In addition, the system has two microphone inputs for additional microphones. Better yet, the HS120BT is equipped with Bluetooth technology for wirelessly streaming music from any device such as your mobile phone. An auxiliary input is also available for connecting an external audio device, such as an MP3 player, to the speaker with a cable (not included). With its versatility and portability, this system is an ideal companion and indispensable tool for professionals such as teachers, auctioneers, street performers, studio instructors and alike. Specifications: VHF wireless microphone Frequency: 174.00 MHz-216 MHz Input Power: AC 110V/60Hz Transmission range: 100 feet Bluetooth range: 10 feet Dimensions: 11" X 7" X 4 ½ " Net Weight: 4 lb (speaker) Accessories: Wireless handheld microphone Wireless belt-pack transmitter Lapel mic Headset mic User manual 9V battery: 2 AC power/charging cord 12V DC power cord Carrying bag