Overview: ★Head size: M57-58cm, L59-60cm, XL61-62cm, XXL63-64cm. ★Connect all Bluetooth-enabled mobile phones and most motorcycle navigation devices, 1200 mAh, 20 hours of music listening time and long standby time. Bluetooth is compatible with powerful stereo quality, answering calls, listening to music, voice navigation and other multi-functional Bluetooth headsets, bringing driving pleasure.. ★The shell is made of lightweight reinforced ABS material. Environmental protection coating surface treatment. High-density EPS cushioning, comfortable and soft mesh lining, aerodynamic design, four-layer ventilation, and multi-layer safety protection. Fully removable lining, easy to clean... ★Flip front lens, double lens design, a high-definition anti-fog transparent outer lens, built-in anti-ultraviolet lens. ★The helmet complies with DOT/FMVSS-218 safety standard certification and ECE certification Note: The actual color of the product (for example, lighting, background, and perspective) may vary slightly. Specification: Material: ABS Name: Helmet Product Size: M size: 57-58cm L size: 59-60cm XL code: 61-62cm XXL code: 63-64cm Package Content: 1 x helmet 1black: bright black carbon fiber white flower 2black: matte black

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