• 【Graphene Fast Heating】Premium graphene heating element delivers rapid 5-second warm-up, instantly relieving cold hands in winter.
• 【3-Level Temperature Control】Adjustable 45°C for indoor warmth, 55°C for outdoor cold protection, and 65°C for heat therapy, meeting various needs.
• 【LED Digital Display】Real-time temperature and battery level indicator (25/50/75/100%) keeps you informed of the device status at a glance.
• 【Type-C Fast Charging】Upgraded universal Type-C charging port compatible with most phone charging cables, significantly reducing charging time.
• 【Multiple Safety Protection】Built-in explosion-proof and overheat protection with intelligent auto shut-off for safe and worry-free use.

Specifications:

• Product Material: ABS + Electronic Components
• Product Dimensions: 7 x 11 x 3 cm
• Rated Power: 3W
• Battery Type: Lithium Battery
• Charging Time: 2h
• Input Current: 1A
• Battery Model: 18650
• Working Time: Level 1: 2h / Level 2: 1.6h / Level 3: 1.3h
• Rated Voltage: 5V
• Battery Capacity: 1200mAh