Teenage Engineering OB 4 Portable Wireless Bluetooth Stereo Speaker with FM Radio and Long Lasting Rechargeable 40 Hour Battery, Motorised Volume Tape Controller

High sound quality: Two 4-inch woofers and neodymium tweeters produce crystal clear sound. A flow-optimised bass reflex channel delivers deep, natural bass. With 38 watts per channel and 100 decibels, the stereo sound fills the whole room. Versatile connectivity The OB-4 supports FM radio, line-in (AUX), high resolution Bluetooth, Bluetooth Low Energy (BLE), Ortho Remote and the Orthoplay app (iOS/Android) and is compatible with Spotify and Apple Music. High battery life: The long-lasting LiPo battery allows about 8 hours of radio enjoyment at maximum volume, 40 hours on average on a single charge, and up to 72 hours when wired in radio mode. USER FRIENDLY The OB-4 stores everything on an endless loopband, allows you to rewind and remix radio content, and provides digital, motion-controlled sound manipulation. Included are the disk mode functions: Ambient, Karma and Metronome Box contents: Teenage Engineering OB-4 - built-in FM antenna - universal power supply (100-240V 50-60Hz) - OB-4 high-end Bluetooth speaker with up to 72 hours battery life - digital motion controlled volume control - experimental function in disk mode