Operating temperature: 42 - 46 degrees CVibration frequency: 210 - 270 HzTimer: 5 minNumber of LED lamps: blue, red, purplePower: 1.5 WSonic vibration: YesOperating voltage: 3.7VPower type: Battery poweredPower regulation: 3Charging voltage: 5V/1ANumber of operating modes: 3Battery type: polymerBattery capacity: 650 mAhCharging time: approx. 120 minRF Radio Frequency: Yes (20 - 100 Hz)Warm/cold compress: Yes (warm)EMS electrostimulation function: YesAdditional features: Auto power off function