There is a portable charging box with LED digital display, which allows you to charge earphones anytime.ABS material made, these earphones are wear-resistant and durable.The length of the charging box is 6.8cm, the width is 4.2cm and the height is 2.5cm.They are suitable for sports, dormitory, home, travel, hotel and other occasions.Item Name: bluetooth-compatible EarphonesMaterial: ABSCharging Box Charging Time: About 1 HourEarphone Charging Time: About 50 MinutesEarphone Battery Capacity: 30mAh (Single Earphone)Speaker Diameter: 8mmCharging Compartment Battery Capacity: 400mAh (Included)Standby Time: 200 HoursBluetooth Version: 5.0Transmission Distance: 10-15mPlayback Time: Single Earphone: 3.5 Hours (Maximum Volume)/4 Hours (Medium Volume); Dual Earphones: 3 Hours (Maximum Volume)/4 Hours (Medium Volume)Size Details:Charging Box Size: 6.8cm x 4.2cm x 2.5cm/2.68" x 1.65" x 0.98" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Wireless Earphones1 x Charging Box