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: 5.4 * Play Time: About 4h * Standby Time: About 240h * Headphone Charging Time: about 1.5h * Headphone Battery Capacity: 30mAh * Charging Voltage: DC 5V * Charging Port: Type-C Charging Port * Bluetooth Headset Transmission Distance: * 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
