Bicycle Light + Mobile Phone Bracket + Speaker Multifunctional Bicycle Headlight, Battery Capacity:4000 mAh(Black)

1. The mobile phone holder is suitable for 4-6.5 inch mobile phones
2. Charging time: 2000 mAh for 4.5 hours, 4000 mAh for 8.5 hours
3. Endurance time: 2000 mAh first gear lighting time 3.5 hours, second gear 8.5 hours; 4000 mAh first gear lighting time 6 hours, second gear 13 hours
4. Input voltage: 5Ⅴ
5. Output voltage: 5V
6. Charging input power: 5W
7. Working voltage: 3-4.2V
8. Dimensions: 8.2 x 12.5 cm
9. Speaker decibel: 130 decibels, 5 sound effects
10. Function: highlight car lights/high decibel speaker/mobile phone holder/USB charging
11. Three lighting modes: strong light/low light/strobe