Color/Finish: Black This Wireless Earbuds Adopt Advanced Wireless V5.3, Edr Upgraded Chip And High-Sensitive Inbuilt Mic On Each Earbud, Deliver Crystal Clear Stereo Sound. Come With 300Mah Charging Case, It Can Extend Music Playing Time From 8Hrs To About 48Hrs (Single Earbud). Ipx4 Waterproof Rating Prevents Headphones From Sweat And Corrosion, Ideal For Car Owners, White Collars, Businessmen, And During Travel, Sport Or Daily Life. Dynamic Range & Noise Isolation: Wireless V5.3 Earbuds And Edr Upgraded Chip Provide Stable And Clear Original Sound Quality. Noise Cancellation Technology Can Isolate External Interference Sounds. In This Way, The Wireless Earbuds Provide Excellent Stereo And Subwoofer Effects, Let You Feel The Wonderful Sound Of The Scene And Enjoy Your Music Even In The Noisiest Places. Stable Earhook: Seamlessly Fitted With An Ear Cavity Structure, The Ergonomically Designed Silicone Sleeve O This Wireless Earphones Provides A Firmer Grip On The Ear Socket For A Long-Lasting Comfort Experience And Effectively Preventing It From Falling Off During Running. Magnetic Charging: Simply Put Your Earbuds Near The Charging Interface And They Will Be Held In Place Magnetically And Recharge. Get 1-2Hrs From Dual Earbuds Fully Charge, Then Prolong That To 48Hrs With The Included Charging Case (For 6 Times Single Earbud Charge). Take One Earbud For Single Mode And Leave The Other Earbud Charging, Extend Music Playing Time From 24Hrs To 48Hrs. Ipx4 Waterproof: Reinforced Design For Sweat And Water Resistance With Flexible, Secure-Fit Silicone Ear Hooks On The Wireless Earbuds For Added Comfort And Stability. Designed For Sport, Workout, Running, Jogging, Hiking, Gym And Etc.. Included Are 3 Replacement Sizes Of Earphone Tips To Better Suit Your Ear Canal And To Provide For A Comfortable Experience. One-Key Operation: After Connected, You Can Control Your Music(Play/Pause) And Accept Or Reject Calls, Activate Voice Assistant, Volume +/-, Power On/Off With Just One Button. Works With All Wireless Enabled Android, Ios, Windows, And All Other Mobile Platforms: Note: Two Earbuds Can Not Connect With 2 Phones Simultaneously. Two Earbuds Can Connect With Different Phones Separately. Please Connect Separate Earbud With Two Different Phones More Than 20M/65Ft. Product Type: Wireless Tws Earbuds Material: Abs Wireless Version: V5.3+Edr Wireless Pairing Name: A9pro Charge Dc: 5V/1A Protocol: A2dp/Avrcp/Hfp/Hsp Transmission Frequency: 2.402-2.480Ghz Mic Sensitivity: -42±3Db Mic Impedance: Φ10mm, 32Ω Charging Dock Interface: Type C Earbud Charging Interface: Magnetic Contacts Range Distance: 20M/65Ft Music/Call Time When Fully Charged: 6-8Hrs Standby Time: 80Hrs Earbud Battery: 40Mah Polymer Lithium Battery (Per Earbud) Earbud Charging Time: 1-2Hrs Charging Box Battery: 300Mah Rechargeable Lithium Polymer Battery Charging Box Charging Time: 1-2Hrs Charging Dock Supply Power To 2 Earbuds: About 2-3Times Waterproof Performance: Ipx4 Charging Cable Length: 30Cm/11.8In Per Earbud Size: 4X5x3cm/1.58X1.97X1.18In Per Earbud Weight: 9G/0.02Lbs Charging Dock With Case Size: 10.7X8x3.7Cm/4.21X3.15X1.46In Charging Dock With Case Weight: 63G/0.14Lbs Measures 5.9In X 5.9In X 2In Imported