Intelligent environment smart strap

Dimension L: W: H = 250mm: 22mm: 12mm
Displayed scale: 0.96 (colored)
Dividing ratio: 160 * 80
Tentacle type: Tentacle
Battery type: Polymer battery
Hand battery capacity: 3.7V / 130mAh
Fang ear battery capacity: 3.7V / 35MAh
Remaining: 512KB RAM + 16KB ROM
Waterproof, etc .: Life waterproofing (washing, swimming, etc.)
Function support: Sound, sleep, walking, heart rate, blood pressure, acupuncture awakening, intelligent hand machine awakening, etc.
Words: Chinese, English, other words;