The Bluetooth Audio MIDI Dual Adaptor is a compact adapter that expands the Bluetooth audio/MIDI functionality of compatible Roland products (mainly the BOSS Katana series). By simply connecting the adapter to the dedicated terminal of a compatible product, you can wirelessly connect to Bluetooth devices such as smartphones and tablets. This is compatible with both guitars and basses. Various wireless functions are available depending on the model, such as playing music and editing tones using Bluetooth MIDI. Features 1. Expands Bluetooth wireless functionality to compatible products 2. Simultaneous use of Bluetooth audio and Bluetooth MIDI (BLE-MIDI) is possible 3. Quick and easy installation 4. Power is supplied from the connected product Specifications Control: Pairing button Indicator: Pairing indicator Communication method: Bluetooth Standard Ver. 4.2 Supported profiles: A2DP (audio) GATT (MIDI over Bluetooth Low Energy) Supported codecs: SBC (Supports content protection via SCMS-T) Frequency band: 2.4GHz Connection terminals: Dedicated connection terminal Power supply: Obtained from the connected product Dimensions: 37(W) x 20(D) x 31(H) mm Weight: 11g