Smart Humpback Corrector

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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 speci fication: 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 Show more