Specifications:It is made of anti-corrosion material with IPX7 deep waterproof design and smart touch, this bluetooth-compatible headphone is waterproof, sweat proof and more sensitive.Bluetooth 5.0 technology has lower power consumption, more stable signal transmission, longer connection distance and faster speed.The wireless binaural design separates the left and right ear, which can be used alone.Using ergonomic design, you will feel painless to wear for a long time.Built-in high-definition microphone, it has intelligent noise reduction function and high-quality calls.Equipped with 500mah large-capacity charging box and long-life battery. Item Name: bluetooth-compatible HeadphoneHeadphone Material: PC MaterialBluetooth Version: V5.0Input Voltage: 5VFrequency Response: 100Hx-8KHzSignal to Noise Ratio: More than and Equal to 70DBOperation Method: TouchBluetooth Distance: about 10m/32.81ftWaterproof: IPX7 WaterproofConnection Mode: Single/Dual UseSingle Ear Capacity: 50mA(Battery Included)Charging Box Capacity: 500mA(Battery Included)Automatic Start: SupportAutomatic Pairing: SupportLife Time: about 4 HoursTalk Time: about 4 HoursFeatures: Waterproof, Sensitive Touch Control, High-Definition Microphone, Intelligent Noise ReductionSize: 5.5cm x 3cm x 3cm/2.2" x 1.2" 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 Cable6 x Earmuffs1 x User Manual