CME WIDI Bud Pro, Bluetooth MIDI Dongle, Wireless MIDI system based on Bluetooth 4/5 with low latency (3 ms), Easy setup with automatic pairing, Bidirectional transmission of all MIDI data incl. MIDI clock and SysEx data, Power supply via USB bus, Direct connection with Bluetooth MIDI devices, Dimensions (W x H x D): 22.5 x 11 x 47 mm, Weight: 10 g