Specifications: Function: 10 Vibration + Heating Power: USB Rechargeable Size: 1.46inch * 4.25inch Weight: About 56g / 1.98oz Noise Figure: ≤50 dB Waterproof: IPX6 How to use: Long press the button for 2 seconds to turn on, the light will be on continuously. Click to switch frequency, the light flashes once. Press for more than 2 seconds to turn off, no need to cycle through all modes. After turn on, double-click the button to turn on the heating function and the indicator light starts to flash. Vibrating getiting weak,Please charge in time. Package Includes: 1 x Vibrator 1 x USB Charger Cable.