About this item ✅✨Low distortion speaker listen to the sound quality，Customized external magnetic speakers, tuning Strong Transient Performance. ✅✨The details are delicate, The frequency are distinct and you can enjoy the music details. ✅✨High definition speaker, phone calls work and chat, built-in high definition microphone, one-click to mobile phone calls, easy to achieve hands-free calls clear and loud dialogue, free hands. ✅✨High transparent acrylic shell high strength, good toughness, not fragile.Using high-strength acrylic material, the strength and light transmittance are better than plastic, and it is not easy to deform, bend, leave fingerprints and other problems. ✅✨500mAh battery listen all day.It can stand by f or 450 hours under full battery, talk for8 hours and listen to music for 6hours, support charging and use.