The 6210-BLE2-AAA is a Medically Approved Bluetooth Transmitter, features include:
UL 60601-1 approved
Secure PAN (Personal Area Network), with up to 2 transmitters
Ultra low power with 1μA sleep current
Range: Nominally 10 m (up to 15 m line of sight, Latency may increase with range)
LED indication of battery status
Choice of 15 or 60 minutes timeout for further battery conservation
Auto wake from sleep/re-connect on press of the pedal
Externally accessible IPx7 battery compartment
Runs on commercially available Alkaline cells