Wireless Speakers: Supports mobile phone connection to two speakers simultaneously, creating stereo and HiFi sound quality for an immersive 360-degree o experience. To pair, turn on both speakers and press and hold the multifunction button for 2 seconds until the blue indicator light turns on. The light will flash rapidly and remain steady after 6 to 8 seconds, indicating a successful connection. Bluetooth 5.0: Utilizes Bluetooth 5.0 technology for a stable connection with up to 10 meters range, compatible with smartphones and all Bluetooth-enabled devices. Dimensions: 18 x 4.4 x 6.3 cm (L x W x H). Impressive 3D HiFi Bass: Features two built-in 3D drivers that deliver rich stereo sound, while an enhanced diaphragm improves bass response. Durable and Portable: Equipped with a built-in 2000 mAh battery supporting up to 8 hours of playback. Compact size and lightweight design make it ideal for outdoor use and travel. Multiple Functions: Supports hands-free calling, FM radio, and o playback via auxiliary cable, TF card, and USB.