Features: 1. Color Consistent Design: The color of the wireless earbuds and the charging case are almost the same. Translucent charging case, futuristic texture, overall consistent color. 2. Unique Original Acoustic Technology: High computing power Bluetooth chip solution, stable signal, clear sound without attenuation. With the unique original acoustic technology, the sound details are truly restored, an immersive experience. 3. ENC Noise Reduction And HiFi Sound: Dual microphone ENC noise reduction, combined with software call noise reduction algorithm, make the call sound clear. Vocals are more prominent, with clear dialogue. Titanium dome composite membrane moving coil speakers, HiFi sound quality, provide a wider sound field and a shocking low-frequency experience. 4. Fast Charging and Long Battery Life: Low-power Bluetooth technology, with the charging case (headphone + charging case), up to 20 hours of use on a single full charge. The headset supports fast charging, charging for 10 minutes, and can be used for 1.5 hours. 5. LED Digital Display And Waterproof: Accurate display of power, allowing you to know the power status of the headset and charging case at any time. IPX4 waterproof, and let you exercise without fear of sweat, but please do not immerse the earphones in water. Specification: Material: Plastic Color: Dark Blue, Light Blue, Pink, Green, Grey Product Size: 16 x 10 x 5cm Bluetooth Version: 5.0 Battery Capacity: 500mAh for charging compartment, 40mAh for earphone Music Time: 4 Hour Talk Time: 3 Hour Waterproof Grade: IPX4 Product Weight: 39.5g Certification: CE, RoHS, FCC, EAC, TELEC, BQB, UL62368 Test Report Package Included: 1 Pair x Earphone 4 Pairs x Earplug 1 x Protective Case 1 x Instruction Manual 1 x Charging Cable 1 x Charging Case