blue Wireless bluetooth speaker,subwoofer waterproof outdoor player AZ14677 True wireless: wireless Bluetooth 4.0 connection, stable, fast, and effective transmission distance up to 10m. In addition, it has strong anti-interference performance, enabling you to enjoy wonderful wireless music moments.Hands-free calling: The built-in microphone can realize hands-free calling, which is convenient and practical.Stereo: This miniature Bluetooth speaker is equipped with a sophisticated acoustic driver to provide excellent 3D HD stereo, and unique bass enhancement technology can provide you with enhanced bass and ensure zero distortion.Portable design: Because of its compact body can be placed in the palm of your hand, it can be easily put into your pocket, suitable for use in home or outdoor activities.Fashion and fashion: The built-in LED breathing light creates a magical atmosphere for you, which is very suitable for party use.Material: aluminum alloy, ABSBluetooth: 4.0U Disk: SupportTF card: supportEffective range: 10mPower supply: built-in 300mAh lithium batteryPlaying time: 2-3hProduct size: about 5.8*5.8*5.7cm