Product Name: AI Voice Sports Headphones; Bluetooth-compatible version: V5.3; Listening time: 30 hours; Transmission distance: about 10 meters; Battery capacity: 300mAh; Standby time: 1000 hours; Charging input: 5V1A; Charging time: about 2 hours; Working voltage: 3.4-4.2V; Frequency response range: 2.4-2.480GHz; Interface: Type C; Function: AI voice control, LED digital display, plug-in card; Waterproof grade: IPX4; Packing list: Bluetooth-compatible headset x 1 Type-C charging cable x 1 Carton packaging x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

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