Bluetooth earbud wireless headphone 1.High quality aluminum alloy; Lamp Life: Approx 100000 h ;Comfortable Touch Feeling! 2:Power Source: 1*18650 battery(Included) or 3 AAA Batteries(not included),Super Convenient! 3. Zoomable,Skid-proof Design &Water Resistant Design;Perfect for Outdoor etc 4. 5 Switch Mode for Flashlight: High / Middle / Low / Strobe / SOS,Can Set as Your Enjoy! 5.Included 360 Degree Rotation Holder,Can Install Flashight as Bike Bicycle Head Light too!