Specifications:The connection distance is up to 35 feet, so there is no need to worry about interruption in listening and control.Open the headphone box, you can automatically pair this device with the bluetooth-compatible device seamlessly without any problems and within a few seconds, you will enter the joyful world of music.Unique stereo sound quality and design provide you with perfect sound, plus CVC8.0 digital noise reduction technology, you can feel more realistic music.The compact and lightweight magnetic charging box is equipped with a 1500mah large-capacity battery, so you can charge it anytime and anywhere.This wireless headset can last for more than 4 hours of playing time on a single charge, and the compact charging box can be used for an additional 80 hours.The inner nano-coating of earplugs and charging case makes it waterproof to 1 meter deep for 30 minutes, which is very suitable for gymnastics and sweating.LED display can clearly see the power of each earphone and charging box, without worrying about power failure.Moreover, the box is small and can be placed in a pocket/bag/wallet.Equipped with earplugs of different sizes to make your ears comfortable, so that you will not feel uncomfortable wearing headphones for a long time, ideal for running, jogging, cycling, and exercising in the gym .Item Name: bluetooth-compatible Wireless HeadsetModel: TWS01Material: PlasticBluetooth Version: 5.1Noise Reduction Version: CVC8.0Frequency Range: 2402MHz to 2480MHzConnection Distance: 10-15mHeadphone Battery Capacity: 35mAh(Included)Charging Box Battery Capacity: 1500mAh(Included)Headphone Playback Time: 3-4 HoursCumulative Playing Time: about 40 Hours(with Charging Box)Headphone Charging Time: 40-50 MinutesCharging Time for Charging Box: 3-5 HoursFeatures: Automatic Pairing Technology, Large-Capacity Battery, Waterproof, Equipped with EarplugsSize: 7cm x 5cm x 3cm/2.8" x 2" x 1.2" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Pair of Wireless Headphones1 x Charging Box1 x Charging Cable2 Pairs of Earcaps1 x User Manual