Model:LP40; Connection:Bluetooth 5.1; Frequency Response:20; Impedance:32; Activity:Outdoor,Everyday Use,Traveling; Charging Port:USB Type C; Capacity:30; Type:In Ear; Wireless/Bluetooth Range:8-10; General Use:for Mobile Phone; Communication:Wireless; Standby Time:350; Item Type:True Wireless Headphones TWS Earbuds; Brand:Lenovo; Features:Auto Pairing,with Charging Box,Stereo; Listing Date:04/20/2022; Music Time:20; Charging Box Capacity:250; Charging Case Weight with Headphones:300