Specification AgeRangeDescription : Adult AudioDriverSize : 30 millimeters AudioDriverType : dynamic_driver BatteriesIncluded : 1 BatteriesRequired : 1 BluetoothRange : 10 meters BluetoothVersion : 5.3 Brand : TOZO BulletPoint1 : 【Active Noise Cancellation】 Hybrid 3 layer Active Noise Cancellation. 1. Outward-facing microphone detects external sounds and counter with equal anti-noise to reduce the environmental noise up to more than 35dB. 2. Inward-facing microphone listens inside ear canal to pick up internal sounds and produce anti-noise again to twice cancel the left noise. 3. Ear caps prevent 90% noise going to ear canal. BulletPoint2 : 【Transparency Mode】You can hear what you want to hear, which lets outside sound in so you can hear and interact with the world around you. You can clearly hear the announcement of the airline or subway and what is saying around you without taking off the headphones. BulletPoint3 : 【Optical Sensors Technology】Features optical sensors technology, they sense when they’re in your ears and pause when you take them out. Adopt high-precision contact sensor, optimized for daily use and sports occasion, achieving real-time detection of wearing status. BulletPoint4 : 【One-step Pairing】Pick up the two headsets from the charging case, and they will be paired automatically. Then simply enable bluetooth connection on your mobile phone to pair the device with your earbuds. BulletPoint5 : 【Charge on the Go】TOZO NC2 wireless earbuds can last for over 10 hours' playtime from a single charge and total 42 hours with the compact charging case. Providing convenient charging way with no strings attached. IPX6 waterproof can prevent from the damage of the splash by sweat and raindrops. BulletPoint6 : AVAILABLE IN CASE PACKS – Comes in cases of either 10 or 42, for easy scalability whether you are buying for individuals, classrooms, schools, or districts Color : Black CompatibleDevices : Smartphones CompatibleDevices1 : Laptops CompatibleDevices2 : Headphones CompatibleDevices3 : PC CompatiblePhoneModels : iPhone CompatibleWithVehicleType : Automobile ConnectivityTechnology : Wired ConnectivityTechnology1 : Wireless ConnectivityTechnology2 : Bluetooth 5.2 ControlMethod : touch ControlType : Call Control CustomerPackageType : Standard Packaging Department : Unisex ExternallyAssignedProductIdentifier : 6976242722274 ExternallyAssignedProductIdentifier1 : 656942574088 ExternallyAssignedProductIdentifier10 : 0027242746725 ExternallyAssignedProductIdentifier11 : 0777782557717 ExternallyAssignedProductIdentifier12 : 0777786204235 ExternallyAssignedProductIdentifier13 : 0907155273160 ExternallyAssignedProductIdentifier14 : 0777779648602 ExternallyAssignedProductIdentifier15 : 0027242604827 ExternallyAssignedProductIdentifier16 : 00027242746725 ExternallyAssignedProductIdentifier2 : 0656942574088 ExternallyAssignedProductIdentifier3 : 027242604827 ExternallyAssignedProductIdentifier4 : 777782557717 ExternallyAssignedProductIdentifier5 : 777786204235 ExternallyAssignedProductIdentifier6 : 027242746725 ExternallyAssignedProductIdentifier7 : 666669767113 ExternallyAssignedProductIdentifier8 : 4901780764396 ExternallyAssignedProductIdentifier9 : 0666669767113 FrequencyResponse : 22000 hertz Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT *REFURBISHED* Hazmat10 : CN_SmallLithiumIonBatteryStandalone Hazmat11 : DE_SmallLithiumIonBatteryStandalone Hazmat12 : EG_SmallLithiumIonBatteryStandalone Hazmat13 : ES_SmallLithiumIonBatteryStandalone Hazmat14 : FR_SmallLithiumIonBatteryStandalone Hazmat15 : GB_SmallLithiumIonBatteryStandalone Hazmat16 : IN_SmallLithiumIonBatteryStandalone Hazmat17 : IT_SmallLithiumIonBatteryStandalone Hazmat18 : JP_SmallLithiumIonBatteryStandalone Hazmat19 : MX_SmallLithiumIonBatteryStandalone Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryStandalone Hazmat21 : PL_SmallLithiumIonBatteryStandalone Hazmat22 : SA_SmallLithiumIonBatteryStandalone Hazmat23 : SE_SmallLithiumIonBatteryStandalone Hazmat24 : SG_SmallLithiumIonBatteryStandalone Hazmat25 : TR_SmallLithiumIonBatteryStandalone Hazmat26 : US_SmallLithiumIonBatteryStandalone Hazmat27 : ZA_SmallLithiumIonBatteryStandalone Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryStandalone Hazmat6 : AU_SmallLithiumIonBatteryStandalone Hazmat7 : BE_SmallLithiumIonBatteryStandalone Hazmat8 : BR_SmallLithiumIonBatteryStandalone Hazmat9 : CA_SmallLithiumIonBatteryStandalone HeadphonesEarPlacement : in_ear HeadphonesFormFactor : In Ear HeadphonesJack : USB Impedance : 32 ohm IncludedComponents : wireless_charging_case IncludedComponents1 : Charging Case IncludedComponents2 : Ear Cushions IncludedComponents3 : User Manual IncludesRechargableBattery : 1 ItemDisplayDimensions_Height : 9.3 inches ItemDisplayDimensions_Length : 36 inches ItemDisplayDimensions_Width : 10 inches ItemName : TOZO NC2 Hybrid Active Noise Cancelling Wireless Earbuds, in-Ear Detection Headphones, IPX6 Waterproof Bluetooth 5.2 Stereo Earphones, Immersive Sound Premium Deep Bass Headset, Black (Renewed) ItemPackageDimensions_Height : 8.509 centimeters ItemPackageDimensions_Length : 3.7084 centimeters ItemPackageDimensions_Width : 8.3058 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : in-the-ear-headphones Manufacturer : TOZO Material : Plastic Material1 : Plastic Material2 : Metal ModelName : NC2 ModelNumber : LK-KH18 NoiseControl : active_noise_cancellation NumberOfItems : 1 NumberOfLithiumIonCells : 1 PackageLevel : unit PartNumber : 25earbud-488 Pattern : Solid ProductDescription : This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee. ProductSiteLaunchDate : 2021-12-29T06:18:18.781Z RecommendedUsesForProduct1 : Calling RecommendedUsesForProduct2 : Running Size : X-Large SpecificUsesForProduct : Sports and Exercise SpecificUsesForProduct1 : Sport SpecificUsesForProduct2 : Travel SpecificUsesForProduct3 : Music StrapType : Shoulder StreetDate : 2023-03-08T00:00:01Z Style : Travel SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SupportsBluetoothTechnology : 1 TargetGender : unisex TargetRegion : North America UnitCount : 1 VersionForCountry : US WarrantyDescription : 90 days limited warranty WaterResistanceLevel : waterproof WirelessCommunicationTechnology : Bluetooth