Feature:1. With functional indicator light, use, debugging more intuitive and convenient.2. High strength aluminum alloy shells, wear-resistant and practical, suitable for various performance scenes.3. Using a combination of frosted and brushed process, high grade atmosphere.4. The use of silicone pads, shockproof and skid resistant, suitable for various performance scenes.5. The use of high-grade metal frame MIDI port, longer plug life.Specification:Fine quality, long service life, can be converted from USB to MIDI, convenient and practical.Features:With functional indicator light, use, debugging more intuitive and convenient.High strength aluminum alloy shells, wear-resistant and practical, suitable for various performance scenes.Using a combination of frosted and brushed process, high grade atmosphere.The use of silicone pads, shockproof and skid resistant, suitable for various performance scenes.The use of high-grade metal frame MIDI port, longer plug life.Specifications:Powers supplys: 5VColor: blackMaterial: aluminium alloyItem size: 115 x 53 x 33mm or 4.5 x 2.1 x 1.3inItem weight: 160g or 5.6ouncePackage size: 150 x 100 x 50mm or 5.9 x 3.9 x 2.0inPackage weight: 250g or 8.8ouncePacking List:1 x USB to MIDI HostPackage List:1 x USB to MIDI Host