Description:Earphone uses upgraded Bluetooth-compatible 5.2, which gives it faster transmission speed and more stable connectionUsing dual microphones and dual intelligent noise reduction technology, the earphone can accurately pick up the sound and eliminate the noise of the call. The use of ergonomic ear hook design allows you to wear the earphone comfortably.Using plastic and metal materials, the earphone is lightweight and durable. With IPX7 waterproof, it has no fear of sweat in daily fitness activities and no fear of rainy weather.The length of the product is 9.4cm, the width is 8.8m and the height is 3cm.With voice prompt, call name/number and real voice prompt function, the earphone has real-time report to you about the status of the earphone. It is suitable for business, sports, driving, etc.Item Name: Bluetooth-compatible EarphoneMaterial: Plastic, MetalModel: X13 Style: A: Call Number, B: Call Name (Optional) Bluetooth-compatible Version: 5.2 Transmission Distance: 10m Earphone Battery Capacity: 300mAh (Included) Play/Talk Time: 8 Hours Standby Time: 72 Hours Charging Time: 1.5 Hours Frequency Response Range: 20Hz-20000Hz Charging Interface: Type-C Waterproof Grade: IPX7 Applicable System: Mobile Phone, Tablet, Computer with Bluetooth-compatible Features: Noise Reduction, Long Standby Time, Voice PromptSize Details: 9.4cm x 8.8cm x 3cm/3.7" x 3.46" x 1.18" (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 Bluetooth-compatible Earphone 1 x User Manual