The MakeBlock Bluetooth Dongle is a BT4.0 (low power consumption) interface converter for Bluetooth devices that is designed mainly for short-distance wireless data transmission. The dongle can pair with any Makeblock devices with built-in Bluetooth modules, which offers users a smoother wireless experience.
Specifications:
Bluetooth: Bluetooth 4.0
Host interface: USB 2.0
Power Supply: 5 V
Output Power Class: Max. 4 dBm
Receiving Sensitivity: -90 dBm
Working Frequency Band: 2.4 - 2.48 GHz unlicensed ISM band
Battery: AA battery
Transmission distance: 15 m (standard distance of Bluetooth device)