Zoom Bluetooth stereo receiver with transmitter for iPod Mini. Connectivity technology: Wireless, Host interface: Wireless. Data transfer rate (max): 1 Mbit/s. Bluetooth version: 1.2, Maximum operating distance: 21 m. Certification: FCC Part 15B and 15C, CE, RoHS.. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 10 - 90 %