SPECIFICATIONSAcoustic enclosure: OtherActive Noise-Cancellation: ActiveAudio Crossover: Full-RangeBattery: YesBattery Capacity[mAh]: 1200Bluetooth Version: Other,V5.0Brand Name: Lenovo,LenovoBuilt-in Microphone: NoCabinet Material: MetalCategory: SpeakersCertification: CEChannels: 2 (2.0)Charging Port: USBChoice: yesCommunication: InductionDepth[mm]: 100Display Screen: No,NoFrequency Range: 20Hz-2KHzHeight[mm]: 96High-concerned chemical: NoneImpedance: OtherInbox adaptor: NoInput Power(W): <25 WInput/Output: USBIntelligent Personal Assistant: NoneMaterial: MetalMaximum wireless range[m]: 10m-20mMid-range material: OtherModel Name: K3 ProName: Lenovo K3 Pro Bluetooth V5.0 SpeakerNumber of Loudspeaker Enclosure: 1Number of devices connectable simultaneously: 1Origin: Mainland ChinaOutput Voltage: OtherPower Source: USB,USBRemote Control: NoSabwoofer cabinet material: MetalSensivity: 82Sound Mode: Stereo Sound ModeSpeaker Battery Capacity: 1200mAhSpeaker Type: PortableSupport APP: NoSupport Memory Card: NoTotal Harmonic Distortion: 0.2Touch Screen: NoTweeter material: OtherTweeter type: RibbonUsage Time: About 6-8 HoursUse: CampingVoice Control: NoWaterproof: YesWeight[g]: 266Width[mm]: 82Woofer/Widerange material: OtherOriginal Lenovo K3 Pro Bluetooth V5.0 SpeakerMore FAQ. Please check at the end. Full Frequency Moving Coil Unit HIFI Stereo Surround Sound Upgrade To Bluetooth 5.0 TWS Connection 1200mAh Lithium Battery Call Microphone Lightweight And Easy To Carry Fully Compatible With The Device Daily Life Waterproof HIFI Sound Quality Metal Shock Composite Diaphragm Full-Range Speakers With Rich Bass Wireless Connection To Bluetooth Speakers Hands-Free Answering Of HD Calls Large Capacity Battery Strong Battery Life Portable Speakers Excellent Details Fully Compatible Plug And Play Speaker Detailed Parameters Lenovo thinplus brand Model K3 pro Colour Black Bluetooth Version 5.0 Scenes To Be Used Indoor Outdoor Transmission Distance 8-10m Waterproof Level Life Waterproof Continuous Battery Life About 6-8 hours Trumpet Full-Range Speakers Charging Time About 3 Hours Battery Capacity 1200mAh Charging Interface USB Feature: • [Bluetooth 5.0] :Enjoy seamless connectivity with the latest Bluetooth 5.0 technology, ensuring stable and fast transmission of audio signals. • [Portable Speaker] :Take your music anywhere with this lightweight and compact portable speaker, perfect for on-the-go use. • [Stereo Sound Mode] :Experience high-quality stereo sound with the ability to adjust the balance between left and right channels for an immersive listening experience. • [Waterproof] :Don't let rain or spills stop you from enjoying your music with this waterproof speaker, designed to withstand harsh weather conditions. Specfication: Model K3 pro Colour: Black Bluetooth: Version 5.0 Scenes To Be Used: Indoor Outdoor Transmission Distance: 8-10m Waterproof Level: Life Waterproof Continuous Battery Life: About 6-8 hours Trumpet Full-Range Speakers Charging Time: About 3 Hours Battery Capacity: 1200mAh Charging Interface: USB Package List:1 *Wireless Speaker1 * Charging Cable1 * User Manual(CN)