BG-2021 Bicycle Front Light 4 In 1 Mobile Phone Holder Horn Light Mountain Bike Front Light, Colour: 2400 MAH Blue 1. 4 in one, bicycle light + mobile phone holder + speaker + mobile power bank 2. 130 decibel wire-controlled speaker, 5 sound modes, long press for 3 seconds to switch sound effects 3. The lamp holder can be rotated and adjusted up and down by 45 degrees 4. High-density sponge pad at the bottom + anti-slip silicone embedded on both sides, shock absorption and anti-slip, no damage to the phone 5. IPX4 life waterproof, ABS sealed shell, rainwater is not easy to leak 6. The base is buckled, which is stable 7. Adjustable quick release bracket, suitable for most handle diameters 8. Charging method: USB charging built-in lithium battery 9. Battery capacity: 2400mah 4000mah 10. Material: ABS+silicone 11. Light: 200 lumens 550 lumens 12. Mode: strobe flash, medium light, high light 13. Application: mobile phone with width 5.8-9 cm 14. Lamp beads: 2 x T6 15. Applicable scenarios: bicycles, electric vehicles, motorcycles, etc. 16. Size: about 13x6.4x11.5cm 17. Weight: 300g