Enhanced Comfort: Fully open design for unrestricted airflow, over-the-ear style ensures stability and comfort without the need for constant readjustment, ideal for extended wear session. Ultimate Protection: IPX5 waterproof rating shields against sweat and moisture, perfect for active lifestyles and intense workouts, ensuring durability and longevity in various environments. Immersive Audio Experience: Equipped with a powerful speaker and high-thrust power amplifier function, delivering robust sound quality for music and calls with HD-compatible clarity and impactful output. Innovative Design Solution: Breakthrough round-shaped earphone design addresses size constraints while prioritizing ergonomic fit and portability, offering a compact and stylish solution for on-the-go use. Superior Sound Performance: Unique headphone cavity structure paired with Bluetooth-compatible 5.3 chip compatibility and amplified thrust results in enhanced audio output, providing a rich and dynamic listening experience across various genres. Item Name: Earphone Material: ABS Bluetooth-compatible Version: Bluetooth-compatible V5.3 Bluetooth-compatible Transmission Distance: about 10 Meters Speaker Diameter: 16mm Charging Port: Type-C Sensitivity: 125 Plus or Minus 3dB Audio Decoding: AAC, SBC Headphone Battery Capacity: 3.7V, 40mAh Charging Compartment Battery: 7V, 300mAh Charging Time (Charging Box): 1.5-2H Charging Time (Headphones): 0.8H Play Time (Headphones): 4H Standby Time: 60 Days (Power Off) Earphone Type: Over-ear Type Noise Reduction: Yes Playback Control: Yes Features: Waterproof, Powerful Sound Effects, with Silicone Hanging Strap Size Details: 5.5cm x 5.5cm x 4.5cm/2.2" x 2.2" x 1.8" (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: 2 x Headphones 1 x Headphone Compartment 1 x Data Cable 1 x User Manual 1 x Silicone Lanyard