Pyle Model : PWMA825BTPortable Bluetooth PA Speaker SystemPortable PA Loudspeaker Bluetooth Stereo Speaker System, Karaoke Microphone Talkover, MP3/USB/Micro SD/FM RadioFeatures:Compact, Portable & Powerful PA Speaker SystemKaraoke Microphone Talk-Over ModeBluetooth Wireless Audio StreamingBuilt-in Rechargeable BatteryFM Radio with Digital LCD DisplayUSB Flash & Micro SD Memory Card ReadersMP3 Digital Audio File CompatibilityAudio Recording Function1/4’’ Microphone InputAux (3.5mm) Input JackConnect & Stream Audio From External DevicesFull Range Stereo Sound Reproduction Impressive Bass ResponseTop Panel Button Control CenterEcho, Bass, Volume Adjustment Convenient Carry Handle & Rolling Wheels*Optionally Powered via External Device, 12V ConnectorsRugged & Heavy Duty DesignBluetooth Connectivity:Built-in Bluetooth for Wireless StreamingWorks with All of Your Favorite Devices (Smartphone, Tablet, Laptop, Computer, etc.)Bluetooth Wireless Range: 33'+ Ft. Bluetooth Version: 2.1 What’s in the Box:Portable PA SpeakerWireless Handheld Microphone Beltpack Transmitter & Headset MicPower/Charging AdapterAudio Connection Cable Technical Specs:MAX Power Output: 400 WattSound System: 10’’ Full Range Speaker + 3’’ TweeterImpedance: 4 OhmFrequency Response: 90-20kHzS/N Ratio: 60dBT.H.D.: <1.0%Battery: 4000mAh, 11.1V LithiumPower: 100/240VThe Pyle Portable PA Speaker System combines high-powered audio and Bluetooth wireless music streaming ability. Enjoy portable and wire-free sound from all of today’s latest wireless devices (like Smartphones, Tablets, Laptops, Computers, etc.). The included handheld microphone, and the system’s unique microphone talk-over function, allow you to create an instant Karaoke party -- it also works great for public gatherings and crowd control. Additional system features include built-in rechargeable battery, FM radio, audio recording ability, microphone input, USB flash and micro SD memory card readers, along with an Aux (3.5mm) jack -- so you can connect and stream audio from even more external devices. Take control of the sound, and the crowd, with the Pyle Bluetooth PA Loudspeaker System.