Feature: 1. Hand Crank : Mobile phone emergency charger converts mechanical energy into electrical energy with a simple hand crank, suitable for charging all mobile phonADANN or digital devicADANN. 2. Mini Portable: USB hand crank phone charger is the ideal outdoor emergency power source to charge your cell phone or other digital devicADANN anytime. 3. USB Interface: Hand crank phone charger is a standard USB interface, 5V output, suitable for charging various USB devicADANN and mobile phonADANN. 4. LED Light: The USB hand crank charger is dADANNigned with red LED light, which can be used as both an indicator light and an emergency light. 5. 3‑8h Standby Time: The hand crank charger is charged for about 3 minutADANN, which can maintain the talk time of the mobile phone for 5‑10 minutADANN, and the standby time is 3‑8 hours. Specification: Item Type: USB Hand Crank Phone Charger Material: ABS,Copper Wire Power Generation Type: Hand Crank Maximum Output Voltage: DC 5.5V Maximum Output Current: 600mA USB Interface Type: Rope Length:Approx. 180mm / 7.1in Input: DC 5.5V 600mA USB Interface: 1 Product Size:Approx. 60 x 49 x 31mm / 2.4 x 1.9 x 1.2in Weight: Approx. 65g / 2.3oz Package List: 1 x USB Hand Crank Phone Charger