Haylou X1 2023 TWS Earphones Specifications: Main Features:Connection Type: Bluetooth 5.3Audio Codec: SBC / AACBattery Capacity:Charging case: 300mAh Polymer lithium batterySingle earbud: 35mAh Polymer lithium batteryDuration:Earbud battery life: Approximately 5.5 hours (playtime)Earbud charging time: About 1.5 hoursOther Features:IPX4 Waterproof (splash-resistant)Physical Specifications:Connector: Bluetooth 5.3Drivers: 12mm dynamic driversColor: GrayWarranty:Warranty Period: 3 Months Brand WarrantyThe Haylou X1 2023 offers a robust Bluetooth 5.3 connection, decent battery life, and IPX4 waterproof rating, making it a reliable option for workouts and daily use.