... single mode compliant- Supports master and slave modesTX power: +4 dBm; RX sensitivity: -88dBmUltra low current consumptionTransmit: 27mA ( ... miceAutomotive Bluetooth SpecificationStandardBluetoothV4.0, Class IIProfilesNetwork Availability, Proximity, fine me, heart rate, weight Scale, HID, etc.detailed profiles ... WeightDimension19.2mm x12mm x0.2mmWeight1.20g bluetooth 4.0 module bluetooth low energy