Boss BT-DUAL Bluetooth Audio MIDI Dual Adaptor. Brand new in box. Product specifications: Boss BT-DUAL Bluetooth version 4.2 profile support: A2DP (audio) GATT (MIDI over Bluetooth Low Energy) codec: SBC frequency spectrum: 2.4 GHz power: via connected equipment dimensions: 37 x 20 x 31mm weight: 11g included: manual Compatible gear: Katana Gen 3 guitar amplifiers Katana-100 & 210 bass guitar amplifiers Cube Street II Katana 500B Head Dual Cube LX Dual Cube LX Bass AC-22LX acoustic guitar amplifier ME-90 Guitar Multi-Effects ME-90B Bass Multi-Effects GX-100 Multi-Effects TD-02 V-Drums Module