Product material: silicone + ABS, product noise value: less than 65 decibels
Length of use: 45min, power supply method: USB direct charging
Charging time: 1.5 hours, waterproof level: daily waterproof
Charging port location: Bottom of product
The light flashes when charging/the light is always on when fully charged, the light goes out when there is no power/the light is always on when in use
Frequency mode: 10 frequency telescopic/tongue, control method: button control
Product bare weight: 210g, power supply mode: built-in battery
額定電壓:< 3.7V，額定電流:<700mA
