Compatible with Plantronics Bluetooth Headset M20 M25 M50 M55 Perfect for you to tranfer data to a computer fastly. The cable connects to your electornic devices and to the USB port on your PC or MAC Computer. Length: 3ft, Color: Black USB 2.0 A Male to Micro B Male High Speed USB 2.0 Certified Cable Foil and Braid Shielding to reduce EMI/RFI Interference Twisted-Pair construction to ensure high-speed, error-free data transfer Up to 480 Mbits/sec transfer Compatible with over 100 devices including: digital cameras, camcorders, web cameras and more.... Package include: 1 * USB Charging Data Cable for Plantronics Bluetooth Headset M20 M25 M50 M55