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 * 53 * 33mm / 4.5 * 2.1 * 1.3inItem weight: 160g / 5.6ouncePackage size: 150 * 100 * 50mm / 5.9 * 3.9 * 2.0inPackage weight: 250g / 8.8ouncePacking List:1 * USB to MIDI HostPackage List:1 * USB to MIDI Host