Bluetooth Smart Skate Helmet, HURSHL10

Features: - Rugged, Lightweight & Durable Helmet Design - Safe & Secure Locking Click-Buckle - Fortified Impact Resistant Shell - Comfortable Form-Fitting Style - Breathable Airflow Ventilation - Safety Certified & Approved - Lab Tested to Significantly Reduce Damage - Convenient Adjustable Knob Dial System - Removable Inner Lining Padded Cushions - Recommended for Teens and Adults - Remote Control Mounted on the Handlebars - Built-in Rechargeable Helmet and Remote Control - Used for Bike, Tricycle, Skateboard, Scooter, Roller Skates - Built-in LED Warning Lights and Flashing Turn Signals - Includes Speaker on the Chin Pad of the Helmet - Manually Finds the Corresponding BT Name Matches in the BT of the Mobile Phone - Can Adjust the Voice Through Button of the Chin Pad - Can Dial the Last Contact Person by Long Pressing the Middle Button of the Chin Pad What's in the Box: - Skate Helmet - PE Bag & Colored Box - Rechargeable Remote Control - USB Cable (Data Line) - Desiccant - Cable Tie - Base - Needle - Sticker Technical Specs: - Construction Material: Polycarbonate (Exterior Shell), PSI-205T High-Density EPS Polystyrene Foam (Interior) - Recommended Head Circumference: Adjustable Medium Size (55-58cm), Large (58-61 cm) - Charging Time: 4 Hours (Helmet), 2 Hours (Remote Control) - Battery Type: Li-ion Battery - Rate Capacity/Energy: 3.7V, 1000mAh, 3.7Wh - Power Supply: 12V DC - Bluetooth Version: 4.1 - Max. Bluetooth Transmission Power: 5 dBm - Bluetooth Frequency Band: 2402MHz-2480MHz - Sound Pressure Level: 88~1kHz - Storage Temperatures:-30~+70? - Working Temperature:-20~60? - Nominal Impedance: 8O± - Charge Limit Voltage: 4.2V - Total Helmet Size (L x W x H): 11.42’’ x 8.66’’ x 6.14’’ –inches