True Stereo Sound Effects, Brings You An Impression Of Space, To Feel The Music Just As You Are In The Concert Hall, Bluetooth V5.0 Technology, Sound Transmission Speed Is Twice Higher. The Anti-Interference Performance Is Enhanced And The Connection Is More Stable. To Make Sure Each Calling And Game-Playing Is In Real Time, To Avoid Sound Delays.CVC 6.0 Noise Reduction Technology + High Sensitivity Silicon Wheat, Improve The Recognition Of The Speech, Make Sure You Can Talk Without Any Effort Even In Noisy Environments. Make The Call Sound Clearer And More Realistic.4.6 G Earbud Small Like The Fingertips, Invisible To Wear. Ergonomically Designed, The Earbuds Exactly Fits The Contours Of The Ears, And There Is No Tenderness Over Hours Wearing. Exclusive Take-Out-To Use Design, There Is Always One Step Less, Safe Time And Free Hands. Due To BT V5.0 Tech, The Connection Is More Stable And Quick, Suitable For Apple IPhone 6/6s/6plus/7/8plus/X/Xs/Samsung,Etc. Small Charging Case Built Inside A 380 MAH Battery Which Can Recharge The Earphones For 4-5 Times. The Total Product Is Supposed To Work For 20-24 Hours After Full Charge.