Feature: 1. LOW LATENCY: The Wireless MIDI Adapter provides a responsive playing experience with a low latency of 3 milliseconds. It transmits MIDI signals as quickly and consistently as a regular MIDI cable. 2. KEEP IT TIDY: One wireless MIDI cable will eliminate your two MIDI cables, keeping your innovative room tidy and allowing sound modules or controllers to be kept away from your desk, another room, or the back of the stage during performances. 3. EASY SETUP: This wireless MIDI adapter pairs easily and quickly with for OS X laptop, or for Win with a simple setup and no driver installation. 4. WIDE APPLICATION: The wireless MIDI adapter works with hardware that has a 5 pin MIDI port, such as MIDI controllers, electric pianos or keyboards or drums, synthesizers, digital mixers, MIDI keyboards, and more. 5. PLUG AND PLAY: The MIDI adapter comes with a USB adapter MIDI (B) that establishes a connection between a MIDI device and a PC via MIDI (A) and MIDI (B). No driver is required. Plug it into your computer's USB port for stable and responsive transfers. Specification: Item Type: Wireless MIDI Adapter Material: ABS Wireless Technology: 2.4GHz Delay: ≤3ms Effective Distance: ≤Approx. 10m/32.8ft Duration: 48H Charging Interface: Type C Battery Type: 240mah Lithium Ion Battery (Built In) . Package List: 1 Set x Wireless MIDI Adapter (2 Pieces) 1 x Type C Charging Cable 1 x User Manual