Powerbank with 1100mAh capacity compatible with Apple Watch iWatch White

Charger with built-in powerbank, compatible with Apple Watch iWatch. • Built-in 1100mAh battery. • Ultra compact size: fits in any pocket, with a thickness of only 14mm. • Ultra light: only 40 grams. • Improved design with heat sink and greater energy efficiency. • Compatible with: iWatch Series 1, iWatch Series 2, iWatch Series 3, iWatch Series 4 Input: 5V-1A Output: 5v-0.4A Battery capacity: 1100mAh