Hand Warmer Portable Phone Charger Portable usb rechargeable hand warmers HTC oppo LG Office Gift iPhone Samsung xiaomi
Mamos 1800 mAh
Hand Warmer Portable Phone Charger
Simple operation
4-step mode
Step 1 - OFF
Step 2 - Smartphone charging mode
Step 3 - low temperature heat (average 40 ℃)
Step 4 - High fever (average 52 ℃)
Easy charging
Typical 5-pin micro (mobile phone charger)