Over-Air Headphone Guitar Sound System With premium amp and effect sounds With 2.4 GHz wireless connectivity Bluetooth audio streaming and sound editing via smartphone The latest BOSS room technology and integrated gyro sensor deliver natural "amp in the room" sound with a 3D ambience and dynamic sound localisation 5 Amplifier types derived from the Katana stage amplifier series, including a full-range mode for bass or acoustic / electric guitar Access to over 50 customisable effects in the BOSS Tone Studio app Integrated BOSS wireless technology for excellent sound quality with extremely low latency User-friendly controls for guitar volume and Bluetooth audio playback as well as instant access to six user-definable sound settings Custom 50 mm drivers deliver high quality audio with full sound Adaptable ear pads ensure optimal driver performance and uncompromising guitar sound Wide headband offers comfort for long playing sessions Durable construction with chrome-plated metal parts Can be folded up in a guitar bag for compact storage or flat transport Built-in, rechargeable batteries with automatic standby / wake function to protect the battery life Up to 5 hours of battery life for the headphones and up to 12 hours for the WL-T transmitter (included) With the BOSS Tone Studio app for iOS and Android mobile devices, sounds can be edited, organised and downloaded wirelessly Controls: Power switch, volume knob, Ch up / down buttons. Bluetooth Multi-Function button Display: Charge, Power / Battery, Bluetooth, Guitar Wireless Rechargeable lithium-ion battery Current consumption: (When charging) 470 mA Includes WL-T transmitter and micro USB cable Suitable replacement transmitter: Article no. 486908 (not included) Connectors: Transmitter input: 6.3 mm stereo jack USB Micro-B Charge Port (DC IN 5 V)