1. Retractable spring design, AAA/AA batteries can be recharged 2. With a charging indicator, it will light up red when charging, and it will light up when fully charged 3. USB interface, a variety of power supply methods, convenient and fast 4. Rated power: 2-5W 5. Input: DC 5V 1-2A 6. Output: DC 1.2V 250mA 7. Rechargeable battery: AAA/AA 8. Charging time: about 3-5h 9. Power interface: USB 10. Dimensions: about 8.3 x 5 x 2.4 cm 11. Weight: about 45 grams
