i7s TWS Mini Bluetooth Earphone Wireless Headset with Charging Box Base

i7s TWS Mini Bluetooth Earphone Wireless Headset Earbuds with Charging CaseFeatures:Ergonomical DesignUse ergonomics to ensure your earbuds fit comfortably into your ears.The Latest Bluetooth V4.2 TechnologySupport A2DP, AVRCP. Provide HD calls. Also own fast and stable transmission without tangling.Stereo Surround and Intelligent Noise ReductionUsing high-sensitivity speakers and independent cavity design, makes the treble bright, the bass thick. In-ear design and noise reduction technology to avoid noise interference and give you 360-degree clear surround sound effectsBuilt-in Dual MicrophonesWith built-in microphone on both sides earbuds, allows you to make hand-free calls from either one. Provide clear and sound quality phone call. It means you can use separately or share the same music/movies with friends and enjoy the clear stereo sound by using both headset as you wish.Wide CompatibilityInstantly Pair with ANY Bluetooth device in seconds - your cell phone, TV, laptop, tablet, smart watch, etcSpecifications:1. Driver: 15mm2. Impedance: 32OHM3. Bluetooth version: Bluetooth V4.2 + EDR4. Bluetooth band: 2.4GHz5. Power level: CLASS II6. Output power: 30mW7. Bluetooth distance: 10 meters (barrier-free)8. Frequency response: 20-20000Hz9. Operating voltage range: 3.0V-4.2V10. Mic sensitivity: -42dB11. Support A2DP / AVRCP protocol12. Powerful Noise reduction technology13. Talk time: 3-4 hours 14. Music time: 2-3 hours15. Standby time: 100 hoursPacking List:2 x Mini Bluetooth Headphones (left and right earphones)1 x Charging box1 x USB Charging Cable1 x User ManualGeneralMaterialABSQuantity1 setConnectionsConnectionBluetoothBluetooth VersionBluetooth V4.2Operating Range10MConnects Two Phones SimultaneouslyYesSpecificationHeadphone StyleBilateralWaterproof LevelIPX0 (Not Protected)Applicable ProductsUniversalHeadphone FeaturesHiFi, For Sports & Exercise, Invisible Style, English Voice Prompts, Phone Control, Long Time Standby, Noise-Canceling, With Microphone, LightweightSupport Memory CardNoAudio PropertiesSupport Apt-XYesImpedance32ohmPowerBattery TypeLi-polymer batteryStandby Time100 hoursTalk Time3-4 hoursPackage Weight:0.096kg (0.212lb)Package Size:10cm x 10cm x 3cm (3.94in x 3.94in x 1.18in)