Raw Material?Food Grade Silicone+ABS Relaxation Tools Size: 4.4*21.8cm/1.73*8.58in Relaxation Tools Weight: 200g(USB not included) Waterproof Grade: IPX7 Voice db: ?40db Running Time: 60 min(High Speed); 120min(Low Speed) Charging Time: 2.5 Hours Vibrating Mode: 3 VibratingSpeed+7 Vibration Pattern Mode Function Button: On/off Button+Vibration Button LED Pattern Indicator Vibration Frequency: 8000 RPM Detailed Warm Tips About Usage: 1.Long press button for 3 seconds to switch on/off, short press to switch vibrating modes (head) 2.Long press button for 3 seconds to switch on/off, short press to switch vibrating modes (bottom) 3.Relaxation Tools can not be switch on when it was charging. When you get it for the first time, just wash it with clean water and charging full before use.