Smart Humpback Corrector

Material: ABS+ elastic shoulder strap
Fully charged use time: 15 days
Charging output interface: standard V8 interface
Charging time: 2 hours (about 2 hours)
Built-in battery specification: 500mA/3.7V

Normal version: Vibration reminder 25 degree tilt reminder

LCD counting and timing voice models: LCD records the number of wrong postures, LCD records use time,

Vibration reminder, voice reminder (can be turned off or on, boot to record the last setting)

15/25 degree reminder switch