✿USB hand warmer, charging treasure, two-in-one control warm baby charging hand warmer 5000 mAh ✿Features: ✿Battery capacity: 5000mAH ✿Material: ABS + fireproof + aluminum alloy ✿Configuration: gift packaging + data cable + velvet bag ✿Aluminum alloy, resistance heating, double-sided heating, great heating effect, it is the warm hold in the palm of your hand in winter. ✿Fast heating on both sides in 3 seconds, powerful compatible/compatible with mobile phones/tablets. ✿Intelligent temperature control, intelligent temperature control when the temperature reaches 60°C, the temperature will be automatically adjusted, double protection, let you feel more at ease. ✿Long-lasting battery life: 3 of temperature adjustment: the first level is around 52-60°C, the second level is around 40-50°C, and the third level is around 35-40°C. ✿Usage: Long press the button to turn on or off the heating function, the first gear is on and the red indicator light generates heat, the second gear quickly flashes the red indicator light generates moderate heat, and the third gear flashes once the red indicator light generates less heat. ✿ Features: ✿ Battery capacity: 5000mAH ✿ Material: ABS + fireproof + aluminum alloy ✿ Configuration: gift packaging + data cable + velvet bag ✿ Aluminum alloy, resistance heating, double-sided heating, great heating effect, it is the warm hold in the palm of your hand in winter.