Bluetooth V5.0 True Wireless Technology.With Wireless Charging Case – Being compatible with almost all Qi-enabled charger devicesFeaturing the latest Intelligent Power Switch technology. Both earbuds are automatically turned on when you open the cover of Charging Case, and when you close the cover of Charging Case with the earbuds inside, they will be turned off and get charged without touching any button.Ambient Sound Mode to keep your ears open to what’s going on in the world around you.Voice-controlled AI – Compatible with Siri and Google Assistant, access your personal assistants with it’s quick and easy access button function.Graphene-enhanced Sound – Utilizes the Graphene for treble enchancements, noise isolation, and overall sound quality improvement.Fast Charging – Adding 3 hrs of Battery Life in 10 mins and get 100% Full Charge in 40 mins.Want to enjoy true wireless stereo effect? Use in pair. Want it be mono for calls? Use one only.Stereo Call – Take your phone calls and listen through both earbuds so that you can literally be all ears.Intuitive MF Buttons for volume control and change track.Sweatproof IPX5- Applying the nano-coating technology to protect the earbuds against water & sweat during running and workouts.Voice prompt in English, ChineseUp to 10 meters (33 feet) in working distance (open space)Bluetooth profile: HFP V1.7/HSP V1.2/A2DP V1.3/AVRCP V1.6Enhanced Comfort Fit with Sports In-ear Hooks. A variety of silicon eartips in different shapes and sizes are included for 100% secure fit.Up to 6 hours music playback time (varies by volume level and audio content)Up to 6 hours talk timeUp to 100 hours standby timeCharging Case with USB Type-C Interface and built-in 500mAh battery capacity for storage and charge, provides 3 additional charges for 2 earbudsDimension of each earbud: 24.2 X 17.1 X 26.1 mmWeight of two earbuds: 9.8gDimension of Charging Case: 78 X 31 X 37.03 mmWeight of Charging Case: 44.8gAccessories Included In The Box:6 x In-ear eartips (Shortened-shape)6 x In-ear eartips (Bowl-shape)6 x In-ear eartips with locking ridge1 x Charging Case1 x USB Cable (USB Type-C)