Description:Featuring IPX7 waterproof technology and sweat-proof function, it is suitable for daily use, rain and sweat will not damage the earbuds. The ergonomic design is comfortable to wear, secure and not easy to fall.The stylish and portable charging case is convenient for you to charge earphones anywhere and anytime. You can also choose single ear or binaural mode to use, it will automatic pair when the earphones are taken out. You can answer the call for both ears.Made of high quality ABS material, it is lightweight, durable and longer to use.The length of the charging case is 8cm, the width of the charging case is 6cm, the height of the charging case is 2.5cm.It is suitable for sports, music, phone call and so on.Item Name: EarphoneMaterial:ABSPower Supply: Build-in Battery (Included)Input Voltage: 5VTransmission Distance: 10mBluetooth Version: V5.0Charging Bin Input Current: 1ACharging Compartment Battery Capacity: 1200mAhModel: F9-46Earphone Battery Capacity: 50mAhNoise Reduction Version: CVC8.0Size Details:Charging Case Size: 8cm x 6cm x 2.5cm/3.15" x 2.36" x 0.99" (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:1 X Charging Case1 X Charging Cable1 X User Manual4 X Ear Caps1 Pair of Earphones