1. Using Qualcomm Bluetooth 5.1 chip, more saving, low latency, no noise, to achieve stable and high-quality audio transmission.2. Adopt CVC intelligent noise reduction, ultra-high sensitivity anti-noise silicon microphone and wind-proof noise microphone cover to call quality.3. Support 500-meter two-person intercom call, and can also support pairing with a third party to achieve intercom.4. The headset has multi-color colorful lights, dazzling and colorful, adding riding style.5. The product adopts 1200mAh high-capacity rechargeable polymer lithium battery, with a talk time of 25 hours and a standby time of 300 hours.6. The product is designed with IP67 high-level waterproof, even if it is used in rainy and snowy weather, it will not be affected at all.7. The product adopts button design, reasonable layout and clear functional area to the completion of riding quickly and safely. Suitable for most full face helmets, open face helmets, helmets, half helmets, retro helmets.8. The shell of the product is made of ABS material, the surface is treated with rubber oil, and the internal inlaid structure is deeply waterproof, light-resistant and durable.Specification:Product Name: Motorcycle Helmet HeadphonesModel: LX3 PROBluetooth version: 5.1Battery capacity: 1200mAWorking time: about 25 hoursStandby time: 300 hoursCharging time: about 2.5 hoursCharging interface: Type-CBattery type: rechargeable lithium polymer battery requirements: 5V1AIntercom distance: 500 meters (in an open environment)Installation : installationHost size: 90x42x20mmMaterial:ABScolour:RedPackage Contents:1 * Bluetooth headset1 * headset (hard wire tube)1 * Charging cable1 *Speaker Nylon Sticker1 * Chinese and English manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.