Feature: 1. Constant temperature hot compress, vibration massage, compact and portable. 2. 5 Gears of adjustable vibration mode with simple operation and comfortable massage which is suitable for different groups of people, leisure massage, comfortable all . 3. Far‑infrared hot compress, all‑round massage, low‑grade 45±3℃, high‑grade 50±3℃, hot compress relieves hand pressure and enjoys a relaxed life. 4. 360° Wrapping, automatic inflation and deflation with gas bag squeeze and relax forcefully and composite fiber heating wire, which means large area infrared heat compress and more comfortable cycle heating , high‑frequency vibration massage that relieve wrist tenosynovitis. 5. High‑quality chip, built‑in high‑precision chip sensor, to control every frequency and every temperature for you Specification: Item Type: Wrist Heating Pad Material: ABS Battery Type: Lithium battery(included) Battery Capacity: 2000mAh 5 gears of strength: 1st gear: soft and comfortable 2nd gear: lighter strength 3rd gear: Comfortable and moderate 4th gear: medium strength 5th gear: powerful strength Suitable for: Busy work: Carpal tunnel syndrome Tired of housework: fatigue and sore hands Neglect of maintenance: rough hands with barbs Alternation of seasons: cold and stiff fingers Efficacy: Relieve hand fatigue: Small and exquisite, easy to carry, relieve muscle and joint fatigue and pain caused by office at any time Massage tired wrist: Far infrared rays can penetrate deep into tired wrist muscles to restore blood circulation Massage sports hands: After exercise, wrap your hands for massage to quickly relax the tense muscles of the hands Package List: 1 x Massager 1 x Manual 1 x USB Charging Cable