Description: Adopts Bluetooth 5.0 technology, higher data transfer speed, stable and fast connection, and low power consumption. Large Capacity Charging Case,Essential products for outdoor travel Long battery life, 2000mAh Emergency Power-Bank, Not only can charge the earbuds, but also your phone, Get rid of the embarrassment of phone power off With it, you can enjoy 9D stereo and HiFi music in your spare time. Magnetic Charging Box Cover,Open the lid easily without pressing hard,Improved user experience. The soft silicone dust plug is added to make the appearance more beautiful.which greatly increases the service life of the product. Specification: Name: Wireless Earphones Model: F9-5 Size(LxWxH):Approx.11.5cm x 9.5cm x 4.5cm/4.5 x 3.7 x 1.8 inch Color: White Charging Voltage: DC 5V Earphones Battery Capacity: 50mAh (Included) Charging Box Capacity: 2000mAh (Included) Frequency Response: 20-20000Hz Sensitivity: 120dB +/- 5dB Transmission Distance: 10m Charging Time: about 1 Hour Total Battery Life: about 220 Hours Talk time: about 180 hours Features: Bluetooth Connection, Large Battery Capacity, 9D Stereo Sound Package Includes: 1 Pair Wireless Earphones 1 x Charging Box 1 x Charging Cable 1 x User Manual Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.