Model:K2; Connection:Bluetooth5.0; Capacity:50; Wireless/Bluetooth Range:10; General Use:for Mobile Phone; Communication:Wireless; Talk Time:4; Standby Time:120; Item Type:True Wireless Headphones TWS Earbuds; Features:Auto Pairing,with Charging Box,HIFI,Stereo,LED Power Display,Smart Touch Control; Listing Date:03/25/2021; Charging Box Capacity:3500