Specification AudioDriverType : dynamic_driver AudioOutputMode1 : Surround AudioOutputMode2 : Stereo BatteriesIncluded : 1 BatteriesRequired : 1 BluetoothRange : 10 meters Brand : TREBLAB BulletPoint1 : Big Stereo System Sound Quality - The TREBLAB HD-Max is a large loud Bluetooth speaker with bass and features a four-speaker design. The 50W speakers and 3 sound modes can function indoors and outdoors. BulletPoint2 : Long-lasting Battery & Powerbank - The HD-Max is a portable bluetooth speaker with powerbank with pass-through charging and USB Type-C connector. Use the 20H play time and quick charge-time to always stay connected. BulletPoint3 : Pair Two HD-Max Speakers with Lightning-fast Pairing - The TREBLAB HD-Max wireless speakers with Bluetooth can pair with one additional HD-Max to give you a strong connection and surround sound quality. BulletPoint4 : IPX6 Water-Resistant to Conquer Any Environment - The IPX6 waterproof Bluetooth speaker can withstand anything from the beach to the pool, you can even put in the bathroom while you are in the shower. BulletPoint5 : Expertly Designed With Unparalleled Build Quality - The HD-Max portable speakers Bluetooth wireless are built tough and can stand up to anything, thanks to its superior build materials. Color : Black CompatibleDevices : Smartphone, Tablet, Laptop ConnectivityProtocol : Bluetooth ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : USB ControllerType : Battery Powered ControlMethod : touch ExternallyAssignedProductIdentifier1 : 649661910602 ExternallyAssignedProductIdentifier2 : 0649661910602 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN 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 IncludedComponents : 'Type-C connector, Carrying strap' IncludesRechargableBattery : 1 IsWaterproof : TRUE ItemName : TREBLAB HD-Max - Big Loud Bluetooth Speaker-50W,20H Battery, Powerbank, TWS,IPX6 Waterproof|Loud Portable Speaker with Deep Bass|Wireless Outdoor Speakers w/Type-C Connector & Carrying Strap(Renewed) ItemPackageDimensions_Height : 35.7124 centimeters ItemPackageDimensions_Length : 19.4056 centimeters ItemPackageDimensions_Width : 19.812 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : portable-mp3-player-wireless-speaker-systems Manufacturer : Productech ModelName : HD Max MountingType : Freestanding,Plug Mount NumberOfItems : 1 NumberOfLithiumIonCells : 1 PowerSourceType : Battery Powered 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 : 2021-04-16T09:22:58.331Z RecommendedUsesForProduct : Outdoor,Indoors SpeakersMaximumOutputPower : 50 watts SpeakerType1 : Outdoor SpeakerType2 : Surround Sound SpecificUsesForProduct : outdoor activities, water-related activities SupplierDeclaredDgHzRegulation : not_applicable TargetGender : unisex UnitCount : 1 WarrantyDescription : 90 days limited warranty WarrantyType : Limited Wattage : 50 watts WirelessCommunicationTechnology : Bluetooth