Model:YD04; Connection:USB Wired; Impedance:60; Capacity:45; Type:In Ear; Wireless/Bluetooth Range:10; General Use:Mobile Phone Gaming,for Car Motorcycle,Office Business; Communication:Wireless; Standby Time:90; Item Type:True Wireless Headphones TWS Earbuds; Features:Sports,LED Power Display,with Charging Box; Music Time:4