Description:The intelligent Bluetooth-compatible5.1 chip supports high-fidelity, lossless and surround sound effect.The speaker also supports voice broadcast, time display, alarm clock and hands-free calling, which is multifunctional and practical.Made of plastic, the speaker is eco-friendly and durable to use. It adopts button control which is easy and convenient to use.The length of the speaker is 8.5cm, width is 8.5cm and height is 8.5cm. It is unnecessary to charge it frequently because it features long standby time.The speaker is suitable for being used in home, bedroom, college dorm and so on. It supports two connection modes including Bluetooth-compatible connection and the insertion of TF card.Item Name: Bluetooth-compatible SpeakerMaterial: PlasticModel: G9Bluetooth-compatible Version: 5.1Frequency Response Range: 100Hz-20KHzOutput Power: 3WSignal To Noise Ratio: 70dBBattery: 2500mAh(Included)Channel: 2Play Time: 8HExpansion Storage: 32GBNumber Of Speakers: 2Effective Distance: 20mOperation Mode: Button ControlFeatures: High Fidelity, Built-in Microphone, SubwooferSize Details: 8.5cm x 8.5cm x 8.5cm/3.35" x 3.35" x 3.35" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Bluetooth-compatible Speaker1 x Power Cable