Sk19 fones de ouvido sem fio bluetooth, tws in-ear invisível sono fones de ouvido, com microfone com cancelamento de ruído, música de alta fidelidade

Kindly note: 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 4h * Standby Time: About 120h * Headphone Charging Time: about 1h * Headphone Battery Capacity: 25mAh * 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: Touch * Color: Black/White/Khaki * Charging Line Length: 200MM * Low Power Reminder: Voice Feature: * IPX5 Waterproof and Dustproof * High Capacity Battery * HD Voice * HiFi Sound * Intelligent touch * LED Display Package Included: * Color Box Packaging * 1 * Charging Bin * 1 * Headset * 2 * Instructions * 1 * Charging Cable * 1