Motorcycle bluetooth+FM Radio Full Face Helmet Anti-fog Stereo Music Flip Up Modular Dual Lens Visor

Description:Unlimited listening to music with integrated bluetooth technologyStylish design, let music surround your life at any timeHands free, release your handsSet up a rechargeable lithium-ion battery with long standby time and long working hours4.0 CSR bluetooth chip, high fidelity headphonesDIY design can be removed at any timeSound prompt function, easy to set up the device according to the sound reminderSpecification:Material: ABSColor: Multicolorsbluetooth Version: 4.0 + EDR CSRFrequency: 2402Ghz-2.480GhzRange: 10m(depending on equipment)Transmission Distance of the microphone: 1mLithium Ion Battery: 3.7V 550mAPlaying Time:12hours(depend on the output)Standby Time:48hoursCahrging Voltage: 5VCharging Time: 1.5hoursSuitable for head circumference: 61-62cm /24.02-24.41(appr.)Maintenance:1. Each charge lasts about 1.5 hours, please power off if full. Do not use dry batteries frequently. Charge them at least once a month.2. It is strictly prohibited to hit the helmet violently. When riding with the helmet, please adjust theappropriate volume and pay attention to the road condition and safety.3. Do not swing left and right when charging and plugging the headphone plug to avoid loosening the bluetooth plug.Note:1. The waterproof design of the equipment, in order to properly protect, please do not let it soak in liquid orrainy day upside down helmet, so as to avoid charging into the electric.2. Keep out of the children. Do not expose to high or humid temperatures.3. When