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LENOVO QT81 TWS Wireless Earbuds OverviewWearing TypeIn-EarMaterialABS + PCMicrophoneDualBluetooth VersionV5.1Distance10m/33ft (No Obstacle)Drive Unit13mmFrequency Response20-20KHzEarphone With Battery Capacity2 * 3.7V 40mAhCharging Box3.7V 1200mAhTalk Time3-5 HoursMusic Duration3hWater ResistantYesCharging PortType CWarranty1 MonthLENOVO QT81 TWS Wireless Earbuds In BangladeshThe Lenovo QT81 TWS Bluetooth Dual Earphones Have A Wireless Dual Ear Design That Allows Users To Utilize The Earbuds Alone Or In Pairs. The Bluetooth 5.0 Version Has A Faster Data Transfer Rate, A More Stable Connection, And Uses Less Battery. This Earbud Includes Fast & Easy Pairing Characteristics, Which Allows It To Automatically Turn On And Pair The Left And Right Earphones Immediately Removed From The Charging Case. You Can Also Pair With Bluetooth-Enabled Audio Devices Easily And Swiftly.This Earbuds Have A 40mAh Battery In Each Earpiece, Which Allows For Roughly 5 Hours Of Audio Playback. In The 3.7V 1200mAh Charging Box, The Earbuds Can Be Charged Automatically. In Stereo Mode, The New Lenovo QT81'S Built-In Dual Mic Produces Crisper And More Realistic Talking Sound. It Is Equipped With A Battery Digital Display, Which Clearly Displays The Earphones' And Charging Box's Battery Capacity.In An Emergency, The Charging Box Can Be Used As A Mobile Power Source To Charge Mobile Devices. This Earbud Has A Touch Control Design, Which Means There Is No Pressure On Your Ears. Control Music, Volume, And Calls With Ease, As Well As Activate The Voice Assistant. There Is No Warranty On The New Lenovo QT81 TWS Bluetooth Dual Earbuds.Features:TWS BT5.1:Wireless Dual Ear Design, You Can Use The Earbuds Solely Or In Pairs. BT 5.1 Brings Higher Data Transfer Speed, More Stable Connection, And Lower Power Consumption.Fast & Easy Paring:Auto Power On And Fast Pairing Between Left And Right Earbuds Once Taking Out From The Charging Case. Easy And Quick To Pair With BT-Enabled Audio Devices.Long Battery Life:40mAh Battery In Each Earbud Offers About 5 Hours Of Music Playing Time. Lenovo QT81 Bluetooth Headphones Can Be Charged Automatically In The 1200mAh Charging Box.Long Battery LifeThe Battery Capacity Of The Charging Compartment Is 300 MAh, Which Can Charge The Headset Multiple Times And Increase The Use Time.Hands-Free With Dual Mic:Built-In Dual Mic Delivers Clearer And More Real Talking Sound In Stereo Mode. BT5.1 Chip Enables To Grasp The Detail Of Voice GreatlyBattery Digital Display:LED Battery Digital Display Can Clearly Show The Battery Allowance Of The Lenovo QT81 Bluetooth Headphones And Charging Box. Charging Box Can Work As A Mobile Power Source To Charge Mobile Devices In An Emergency.Smart Touch Control:Touch Control Design, No More Pressure On Your Ears. Easy To Control Music, Volume, And Call, And Activate Voice Assistant...