Bicycle Bluetooth Speaker Waterproof Bluetooth Speaker Outdoor Wireless Speaker Bicycle Headlight Flashlight (CREE LED Flashlight, Remote Shutter Function, IP65 Waterproof, Replaceable Battery, Blue) Outdoor design Waterproof & Dustproof( IP65) which can accommodate complex and changeable outdoor environment. Humanized design backlight keys. Easier to discern and operate in the night. High-bright Torch: Emergency lighting equipment as a High-bright Torch. Original USA CREE LED, 10,000 hours lifetime. 250 meters lighting distance. Light 5-speed adjustment: High &gt; Low &gt; Slow Strobe &gt; Fast Strobe &gt; SOS(Short press to switch modes, longer press Close). Equal and stable brightness. For night walking, cycling, camping, expedition. Easy installation & rotated 360. X6S can be easily installed on and removed from bicycle through specially designed bike bracket. The bracket can be rotated 360 degrees. Its convenient for disassembly and assembly to prevent steal. Hands-free Phone: Take incoming calls as a Hands-free Phone. Auto transfer and connect with mobile communication, talk to your friends on a hands-free phone while cycling or playing. Power use a single 18650 lithium battery. Battery is removable, replaceable, rechargeable. More than 99% of Bluetooth speaker is napkin speaker that if battery dies, machine can be lost only. Battery can be replaced means: Power is infinite, music playing time is infinite. Humanized design various charging method. Support standard 5V / 1A USB port charging input like PC USB port, mobile USB adapter, USB car charger, Notebook USB Port.