... ,dustproof, shock absorption Specifications 1, executive standard: Bluetooth V2.0 2 Working distance: 10 meters 3, ... 3.0-5.0 6, work current: <5.0MA 7, standby current: 2.5MA 8, sleeping current: <200UA ... switch on the keyboard, the power light and Bluetooth light will be on in three seconds , at ... the power light will keep lighting ,but the bluetooth light will be off after it successfully connect ...