1、4-in-1 Design: A smart bike helmet with an integrated LED light system, including taillights, turn signals, speedometer, and programmable app control, enhances your riding experience. Whether biking, skiing, or commuting, this helmet offers unparalleled convenience and safety. 2、APP Control and DIY Function: Easily connect your helmet to the phone app via BT. The helmet's LED display shows your riding direction, speed, left/right turn signals, etc. You can also upload custom animations, text, and designs for a truly personalized riding experience. 3、Excellent Guard: One-piece design with enduring EPS and sturdy PC shell provides excellent shock absorption, and 8 ventilation holes to reduce opposition and keep you cool. Trustworthy guard in various cycling environments for riding enthusiasts and commuters. 4、Comfortable To Wear: This helmet fits people with a head circumference of 22.8 to 24 inches (58-61cm) and comes with an adjustable dial to ensure a secure and comfortable fit. Weighing only 0.8 pounds (368g), the helmet is lightweight and does not put pressure on your head. 5、Long-Lasting: With an IPX3 rainproof rating, this bike helmet is excellent for riding and skiing in all weather conditions. The display is powered by 576 bright LEDs for optimal brightness. Fully charges in just 4 hours, allowing for 12 hours of continuous use on a single charge. Installing the remote control on the bike can actively control the left and right turn signals and double flashing lights, ensuring safer and easier use while riding. Made of reinforced PC with EPS foam material in a single molding process, which is super comfortable and lightweight. It's an excellent choice for your city commuting, road riding, and skateboarding. Item Type: LED Cycling Helmet with Remote Control Model: SL029 Helmet battery capacity: 1500mAh, polymer lithium battery (Built-in) Remote control battery capacity: 600mAh, polymer lithium battery (Built-in) Material: PC+EPS Voltage: DC5V/2A Charging time: 4 hours Usage time: 12 hours Lamp beads: 2121RGB lamp beads, 576 LEDs Item Size: 27x22x16cm/10.63x8.66x6.3in Package Size: 28x23x17cm/11.02x9.06x6.69in Gross Weight: 690g/24.34oz 1 x Helmet 1 x Remote Control 1 x Charging Cable 1 x Storage Bag 1 x User Manual 1 x Adjustable Strap 1 x Remote Control Holder