Bluetooth 5.3 and Built-in Mic: Featuring an advanced Bluetooth 5.3 chip, this outdoor speakers provides seamless connectivity and remarkable wireless stability within a standard range of 33ft (10m). The included microphone enables hands-free calling, giving you more flexibility. Ideal for outdoor picnics and camping. This speaker bluetooth is compatible with most Bluetooth-enabled devices, including smartphones, and laptops, making it an outstanding entertainment choice for any occasion. Dual Pairing and Portable Design: This portable speaker supports wireless stereo technology, enabling it to wirelessly synchronize and play music with another K9 mini speaker, creating a wireless left and right channel system for a genuine stereo experience. Simultaneously, its compact size and lightweight construction make it easy to carry, ensuring you can enjoy music anytime, anywhere. Whether you're on outdoor adventures, traveling, or relaxing at home, it can cater to your music needs. Long battery life and Multi-Function Buttons: This wireless Bluetooth Speaker is equipped with a 1000mAh lithium polymer battery, which can provide 7-8h of playback time on a single charge (1.5h), so you don't need to charge frequently. Equipped with multi-function buttons that allow you to easily play music, adjust volume, FM radio and LED lights. Whether you're hosting an outdoor party or an indoor gathering, this wireless speaker delivers long-lasting musical pleasure and control convenience. IPX7 Waterproof and Suction Cup: Shower speaker With an IPX7 waterproof rating, capable of with standing water sprays and splashes, allowing you to use it worry-free in various weather and outdoor conditions. Such as you can enjoy music in the swimming pool, beach, bathroom, and other places. K9 speaker also comes with a solid suction cup, portable that securely adheres to various smooth surfaces, such as bathroom walls, glass countertops, or any other smooth planes, making it highly convenient. RGB Colorful Lights and 360° Surround Sound: OYIB bluetooth speaker is equipped with a unique night theme LED RGB lights, and the light color can switch freely with the beat of the music. Create an amazing party atmosphere and enjoy a hot rock party! True Wireless Stereo function, enables two portable bluetooth speaker to be connected in tandem. Let's enjoy a full 360° of loud music in the home theatre, at parties, on the beach, in the park or anywhere else imaginable.