The porodo lifestyle tri-mode heated cervical pillow massager black is the ideal one to help with the release of neck and shoulder stress. It is made to be the most advanced relaxation device ever and supported by these three different modes: heat, vibration, and wave settings, which make it possible to customize your relaxation the way you want. Thanks to its 1500mah battery, it is able to give you an hour of continuous comfort at the most, and the usb-c charging input is designed to make recharging fast (it only takes 4 hours). The built-in warm wave plate acts like a hot pad and provides penetrating heat treatment, and vibration at three levels lets the user select the strongest one that will relieve the tightest muscle. Besides the pressure points, magnetic fields are among the features that give this device a therapeutic effect. With a rotating speed of 3500rpm, this massager reduces stress on muscles and facilitates blood flow. It has a safe operating temperature of 0°c to 40°c, providing comfort all the time during the treatment. The porodo lifestyle cervical pillow massager is made of strong PU and ABS, thus it is very durable and can be considered a tool for relaxing and revitalizing experiences. Specification Input: dc 5v Charging interface: usb-c Operating temperature: 0°c-40°c Battery capacity: 1500mah Motor speed: 3500rpm Working time: 1h Recharge time: 4h Material: pu + abs Features Triple mode control Warm wave board Magnetic comfort points 3 wave gears 3 vibration levels