Stim u wearable vibrator app controls purple Material:medical silicone +abs Color: Rose red/purple(customizable ) Vibration frequency:12 modes Charging mode:usb magnetic charging Battery capacity:lithium battery3.7 v/300mah3.7 v/300mah Charge time:80-100 minutes Range time:60-90 minutes Maximum noise:60 db Waterproof performance:daily care Size:120*99*34mm Weight:108g Close-range control Long-distance control Unlimited patterns Sync to music Sound activated vibrations Made of medical security silicone, texture smooth and comfortable, soft and comfortable to use. soft touch your skin and take you to an unparalleled sense enjoyment trip. Be exquisite and smooth outer lines with powerful vibration motors.