Winter Warm neck – Black

Battery: 2600mAh polymer Charging time: 2.5 hours Battery life: 2.5-6 hours Charging interface: Type -C Control mode: Key temperature
Transmission: through the neck artery blood transmission to achieve whole-body temperature control
Cold compress: First gear 25 C second gear 20 C third gear 15 C
Hot compress: First gear 39 C second gear 42 C third gear 45 C
Gifts, fashion accessories, new technology, three colors available

What’s in the box
1 neck warm cooler
1 TYPE-C USB cable
1 instruction book