Outdoor Cycling Portable Subwoofer Bluetooth 5.3 Long Battery Life HIFI Sound Effect Waterproofs Plug-in Bluetooth Speaker Features: Long battery life: After fully charged, the Bluetooth speaker can support up to 8 hours of playback, 3 hours of charging, and 20 hours of standby, meeting indoor and outdoor usage needs. Bluetooth 5.3 chip: This Bluetooth speaker adopts an 5.3 Bluetooth chip, which has lower music latency, lower power consumption, and is more energy-efficient, with more stable transmission and clearer sound. Supports Series Connection: Supports two speakers in series. When using a speaker, it is a full frequency speaker. When two speakers are used simultaneously, they will automatically connect to distinguish the left and right channels, achieving stereo effect. Clear Sound Quality: The Bluetooth speaker adopts a large aperture voice coil to ensure sufficient driving, making the sound more natural and transparent, and ensuring excellent performance in volume and low frequencies. Multifunctional panel: One click switching, and fast, with more concise button functions. It also supports multiple external playback formats, making the ear more casual. Product Description: Product Name: Bluetooth Speaker Product colors: Red Product Material: ABS Speaker output power: 5W Battery capacity: 1800mAh Bluetooth version: 5.3 Communication distance: 10 meters Product size:1088cm/3.93.13.1in Product weight:282g/0.62lb Package size:11.58.78.7cm/4.53.43.4in Package weight:350g/0.77lb Product List: 1 x instruction manual 1 x Bluetooth speaker 1 x charging cable