Model:LP40; Connection:Bluetooth 5.1; Frequency Response:20-20; Sensitivity: 109; Impedance: 32; Activity:Everyday Use,Traveling; Charging Port:USB Type C; Capacity:30; Wireless/Bluetooth Range: 8-10; General Use:for Mobile Phone; Communication:Wireless; Sound Channel:2.0; Standby Time:350; Item Type:True Wireless Headphones TWS Earbuds; Brand:Lenovo; Features:Deep Bass,Long Battery Life,Auto Pairing,Stereo,Ergonomic Design; Listing Date:10/21/2021; Music Time:20; Charging Box Capacity:300