Automatic induction, no buttons, no touch, automatic induction read button.
Solid, superstrong metal inner container, elastic rubber shell, inner flexible silicone pad, Circuit devices epoxy curing
Humanity Design, rubber shell, Ergonomic Design, antiskid, feel very nice.
Waterproof, sealed design, can be used in water.
High speed communications, using USB2.0 communication protocols, hot insert&plug
Saved battery, use 3.6V rechargeable Li-ion battery. Less than 20uA standby.
Read the buttoms with indicate for sound, light, buttom number display and so on
Safe reliable, can store 14000 data, not lost data when power failure.
Unique hit record function and prevent damage, automatic records hitting, knocking.
Data shows storage capacity, the rest capacity be clear to see
Buzzer open or mute instructions
On-line computer instructions