Voice control: Use the remote control to wake up assistant of the mobile phone for voice control. WiFi supports connection between and Android system mobile phones. WiFi recorder: It supports preview, playback, download, editing, sharing of camera video footage and device parameter Settings, etc Why choose us? The multi-functional smart helmet enables you to focus on cycling and brings a more convenient and safe cycling experience to cycling enthusiasts. Whether used for daily commuting or outdoor activities, it be your ideal choice. Intelligent design: AI voice control reduces the risk of accidents caused by operating a mobile phone while cycling. One-click Bluetooth connection, complete user experience, meeting daily usage needs. Multiple functions, more expandable applications, exceeding your expectations. Breathable design: Detachable inner lining magnetic honeycomb vent, the inner lining comfortably wraps around the head, cool and comfortable, skin-friendly and comfortable, breathable and not stuffy. Product parameters Camera: Video resolution: 1920*1080P Maximum pixel: 2 million Video format: MP4 Photo format: JPG Viewing Angle: Front camera: 110 Storage/Expansion: Built-in memory: 4MB NOR FLASH Internal cache: 512Mb DDR2 External storage: TF card (supports 8GB-128GB) Battery: True battery type: Polymer lithium battery Battery capacity: 2700mAh, 3.7V Maximum power consumption: 800mAh Charging voltage: DV5V 0.25V Usage duration: Approximately 4 hours with full function on (at maximum music volume), and approximately 6.5 hours with Bluetooth + light on (at maximum music volume). Color:Black Material:PC Package Contents: 1 * Smart Helmet Only the above package content, other products are not included. Note: Light reflection 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.