Manhattan 179058. Connectivity technology: Wireless, Host interface: USB, Interface: Bluetooth. Data transfer rate (max): 3 Mbit/s. Chipset: ISSC, Bluetooth version: 2.1+EDR, Modulation: 8DPSK, GFSK. Input voltage: 5 V. Width: 51 mm, Depth: 16 mm, Height: 8 mm