Size:Large  |  Colour:B FEATURE： With rod noise reduction microphone, it is convenient to make calls, drive safety is higher, and the call is clear! The outer casing is made of ABS material, the buffer layer is made of high-density EPS, and the inner lining is breathable and comfortable. The mouth vents can better reduce the gas and can bring the heat inside the helmet out of the helmet with the overhead vents. Made of high-grade breathable fabric, warm and comfortable, not stuffy SECURITY CERTIFICATE: USA: DOT, FMVSS-218 safety standard certification EU: ECE R 2205 certificatio SPECIFICATION： Helmet material: high-strength ABS + EPS Bluetooth system: British CSR5.0 chip Sound quality effect: Bass Dual Speaker Stereo Battery capacity: 3000mA - Battery life Listen song 88 hours/66 days standby time Weight: about 1100 grams Style: half helmet Applicable People: Unisex Head circumference： M57 ~ 58 cm(22.4~22.8Inch) L59 ~ 60cm(23.2~23.6Inch) XL61 ~ 62cm(24~24.4Inch) XXL63 ~ 64cm(24.8~25.2Inch) ● Depending on the light, display color and shooting angle, the colors may differ slightly. According to the color of the actual product ● If you have any questions, we will get back to you within 24 hours.
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