1. Product temperature can be adjusted in two levels, constant temperature heating on both sides, warm in winter, multi-directional protection 2. Creative appearance design, exquisite craftsmanship 3. 5000mA capacity, convenient for mobile phone battery life, powering you anytime, anywhere 4. The surface of the mobile power supply has a delicate Press, giving you an experience that you can't put it down 5. Double-sided fast heating in 3 seconds, light and compact 6. Hand warmer / neck warmer / power bank three in one, to meet a variety of needs 7. Hang your neck with you, free your hands Maximum power: about 10w Interface type: type-C interface Product size: 75x33x127mm Charging: about 3 hours Ambient light: warm yellow Charging port: type-c Battery life: 2.5-5 hours Heat neck: about 39 in the first stage, about 43 in the second stage Hot compress: around 45 for the first level, around 55 for the second level Charging indicator: red charging light flashes, full red light is on, indicator light is blue when working Advantage: 1. Fast heating in 3 seconds 2. Double-sided constant temperature 3. Long-life heater 4. Efficient heating elements 5. Intelligent temperature control 6. Overload protection 7. Fireproof materials 8. Safety and explosion-proof Due to different production batches, there may be color difference, which does not affect the use Material:Plastic+metal+silicone colour:White Package Contents: 1 * Host 1 * charging cable 1 * Chinese and English manual Only the above package content, other products are not included. Note: Light shooting 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.