Awesome battery powered analog synth and Bluetooth keyboard. Has step sequencer and makes bleeps! Works with any soft synth on any device that supports Bluetooth. Assignable knobs Txt don't call 2504153876 Mode: 16 patches (4 patches x 4 banks) Synth Mode: 16 tones (8 tones x 2 banks) Seq Mode: 16 patterns (8 patterns x 2banks)ConnectorsPHONES jack: Stereo miniature phone type CV OUT jack: Stereo miniature phone type GATE OUT jack: Stereo miniature phone type MIDI (IN, OUT) connectors USB port: MicroB type (MIDI)BluetoothBluetooth LEPower SupplyRechargeable Ni-MH battery (AA, HR6) x 4 Alkaline battery (AA, LR6) x 4 USB bus powerCurrent Draw500 mA (USB bus power)Expected battery life under continuous use:Rechargeable Ni-MH battery: Approx. 12 hours * This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.AccessoriesOwner's Manual Leaflet "USING THE UNIT SAFELY" Alkaline battery (AA, LR6) x 4Options (sold separately)Keyboard unit: K-25mSIZE AND WEIGHTWidth300 mm 11-13/16 inchesDepth128 mm 5-1/16 inchesHeight46 mm 1-13/16 inchesWeight950 g 2 lbs 2 ozbluetoothThe Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Roland is