About Product DescriptionSolo True Wireless Stereo Earbuds High Fidelity Sound & Comfort OverviewImmersive Audio High fidelity sound with13mm large dynamic speakersfor deep bass & clear treble.All Day Comfort Ergonomicin-ear designensures a secure and comfortable fit.Smart Features Supportsdouble audio sharing, allowing two users to listen together.Convenient Charging Comes with a250mAh charging caseandType-C fast charging.Long Playtime Up to5 hours of call/music time+ extended backup with charging case. Key Features Bluetooth Version:5.3 for stable connection & low latency Call Time:About 5 hours Charging Case Capacity:3.7V / 250mAh Earphone Battery Capacity:3.7V / 30mAh Frequency Response:20Hz 20kHz Transmission Range:Up to 10m Speaker Unit:13mm diaphragm driver Charging Port:Type-C Charging Time:~1.5 hours Impedance:32 Standby Time:~350 hours Product Information Category:Wireless Earphones / Audio Accessories Compatibility:Works with all Bluetooth-enabled devices (iOS & Android)