The connection distance is up to 35 feet, so there is no need to worry about interruption in listening and control.Featuring automatic pairing technology, 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.The unique stereo sound quality and CVC8.0 digital noise reduction technology provide you with perfect sound, you can feel more realistic music.The compact and lightweight magnetic charging box is equipped with a 2000mah high-capacity battery, so you can charge it anytime and anywhere.The wireless headset can last for more than 6 hours of playing time on a single charge and the compact charging box can be used for an additional 24 hours.The inner nano-coating of earplugs and charging case makes it waterproof to 1 meter deep for 30 minutes.Equipped with earplugs of different sizes, so that you will not feel uncomfortable wearing headphones for a long time.This is ideal for running, jogging, cycling, and exercising in the gym.Item Name: Wireless HeadsetModel: M17Material: PlasticBluetooth Version: 5.1Noise Reduction Version: CVC8.0Frequency Range: 2402MHz-2480MHzConnection Distance: 10-15mHeadphone Battery Capacity: 50mAh(Included)Charging Compartment Battery Capacity: 2000mAh(Included)Headphone Playback Time: 3-4 HoursCumulative Playing Time: about 40 Hours (with Charging Box)Headphone Charging Time: 40-50 MinutesCharging Time of Charging Compartment: 3-5 HoursFeatures: Automatic Pairing Technology, Large-Capacity Battery, Waterproof, Equipped with EarplugsSize: 11cm x 10cm x 4.3cm/4.33" x 3.94" x 1.69" (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 x Wireless Headset1 x Charging Box1 x Charging Cable2 Pairs of Earmuffs1 x User Manual