Features: Mini Wireless Transmission System: a low-latency, MIDI system designed for teaching, performance, and practice. Point-to-Point MIDI Connection: replaces traditional MIDI cables for a wireless, unrestricted experience. Optimized Protocol: engineered for live performance with ultra-low latency, stable connection, and reliable 2.4 GHz wireless coverage. Ultra-Low Latency: implements wireless MIDI protocol directly in firmware—latency as low as 3 ms, with intelligent connection optimization. Stable Connection: ensures consistent, secure MIDI communication. Rechargeable Design: MIDI-B connects to power supply or PC via USB; MIDI-A features a built-in rechargeable lithium battery. Ergonomic Cable Design: curved cable accommodates various MIDI port orientations, including vertical interfaces. Firmware Upgradable: update system using included software and USB data cable. Specifications: Material: ABS Color: Black Operating Band: 2.4 GHz Latency: < 3 ms Range: Up to 10 m Power Requirement: MIDI-A powered by built-in rechargeable lithium battery (USB-charged) Battery Life: Up to 48 hours Charging Method: USB charging cable Battery Capacity: 240 mAh Package Contents: 1 × MIDI-A Adapter 1 × MIDI-B Adapter 1 × USB-C Cable 1 × English User Manual Note: Color may vary slightly due to screen settings and lighting. Dimensions are subject to a tolerance of ±1–3 cm.