Introducing PebbleHeat, a mini 2-in-1 hand warmer and power bank. This pebble-shaped device is perfect for on-the-go warmth and charging during activities like sports, fishing, hiking, camping, and skiing. The hand warmer function provides efficient heat for both hands, with easy on/off control and auto-shutoff for energy savings. The 4000mAh capacity ensures a full charge, displayed by three indicator lights. PebbleHeat is shockproof, anti-scatch, anti-skid, explosion-proof, and radiation-free. Material: ABS + Aluminum. Weight: 140g.