1. Two-in-One Heating and Massage: Foot and Ankle - Heating and Vibration Modes, Enjoy All Three Functions Simultaneously or Separately 2. 3000mAh Large-Capacity Battery for Long Battery Life 3. 4-level vibration setting, six heating levels, and a maximum temperature of 70C. 4. Heating and massage relieve fatigue on the soles of your feet and ankles. 5. Flexible and stretchy fabric design for easy wearing and ergonomic fit, suitable for people of all weights. Operating Voltage: 5V - Volt Operating Current: 1600mA (Heating at Highest Level) Standby Current: 0.1m Charging Time: 2.1h Battery Life: Massage (Highest Level) 14.2h, Heating + Massage 1.5-2h Power Cord Length: 1m Core Performance Specifications: Motor Vibration Control: Two-Way Massage Function Keys: 2-3-0-1 Hot Compress: 50-55-60-65-70-OFF-45 Timer Function Keys: 20-35-45min Motor Speed: 6000rpm Material: Neoprene/ABS Color: As shown Package Contents: 1*Massager+1*Short Strap+1*Data Cable+1*Instruction Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.