Rechargeable Bluetooth Ultra-thin Flexible Soft Screen Hat beard you can carry it with

you can carry it with you to exercise anytime

Features: Brushless motor

Full length: 110

Network interface: None

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Rechargeable Bluetooth Ultra-thin Flexible Soft Screen Hat beard you can carry it withProduct information: Material: 100% cotton hat LED display Language setting: multi language (Chinese English Korean Japanese and other multi language) Input voltage current: 5V 1A Connection method: Bluetooth mobile APP (supports OS and Android systems) Battery Type: 450mAh lithium battery (USB charging) Charging time: 3 to 4 hours Working hours: 5 to 6 hours Product Size: 70 * 170mm Size: Packing list: Display Screen*1 Display Screen*1 Hat*1 Product