SKU: 90242 Bluetooth Version: Bluetooth 5.1 Bluetooth Profile: HSP, HFP, ACRCP, A2DP Dirver Speaker: 10mm Diamond-Like Carbon Codec: AAC, SBC Frequency Range: 20Hz-20KHz Work Time: 6 Hour single charge, 26 Hour with case Charge Time: 1.5 Hour for earbuds, 2 Hours for the case Charging Port: USB-C Port Waterproof: IPX5