The B11 Bluetooth 5.0 Retro Style Wireless Bluetooth Speaker features a 5W speaker with full screen range sound, bass, and surround reverb match for an immersive listening experience. It supports wireless Bluetooth transmission with a stable and fast 5.0 chip, offering an effective distance of 10 meters and high-fidelity sound quality. The built-in 1200mAh large-capacity battery provides fast charging and long battery life, allowing for about 6 hours of continuous use. The speaker supports Bluetooth connection playback, TF card playback, AUX input, and broadcast (AUX import signal) in four playback modes. It also has a built-in HD call microphone with intelligent noise reduction for hands-free calling. Compatible with various terminal devices, it can be used as a TV stereo when connected via Bluetooth. Product parameters include Bluetooth version BT 5.0, output power 5W, signal-to-noise ratio ≥75dB, voltage 3.7V, stereo channel, and support for TF cards up to 32GB storage capacity. The product size is 120x70x92mm and weighs 235g.