Fones de ouvido estéreo invisíveis para dormir IPX5 à prova d'água sem fio com microfone para telefone Bluetooth 5.3

If you have any question after you receive the item , please contact us first before opening dispute and leave a comment,much appreciate Parameters: * Bluetooth Version: 5.3 * Play Time: About 6h * Standby Time: About 90h * Headphone Charging Time: about 2h * Headphone Battery Capacity: 30mAh * Charging Voltage: DC 5V * Charging Port: Type-C Charging Port * Bluetooth Headset Transmission Distance:10m * Frequency Range: 20HZ-20KHZ * Material: ABS+PC * Instruction: Chinese/English * Signal-to-Noise Ratio:90DB * Key/touch: Smart keys * Color: Black/White/Khaki * Charging Line Length: 300MM * Low Power Reminder: Voice Feature: * IPX5 Waterproof and Dustproof * High Capacity Battery * HD Voice * HiFi Sound * LED Display * Low Delay Package Included: 1*Headset Large capacity charging cabin,durable endurance Intelligent there true number display screen Ergonomically designed,unblinking light hides in the pinna 10.6mm so thin,invisibl and comfortable IPX5 level waterproof and sweatproof