The Dunlop Bluetooth speaker is a versatile audio device for portable entertainment, featuring a 9W output power for accurate sound reproduction. With dimensions of 251.04 mm in width, 180.45 mm in height, and 332.95 mm in depth, and a weight of 1.45 kg, this compact device is suitable for various indoor and outdoor uses. The Bluetooth 5.0 technology operates in the frequency range of 2402–2480 MHz with a maximum transmission power of -5.52 dBm, ensuring stable wireless connections to smartphones and MP3/MP4 players. Multiple connection options provide flexibility: an AUX/MIC input for wired connections, a TF card slot for memory cards, and a USB port for flash drives. The built-in FM radio function allows reception of broadcast stations without external devices. Sound control is achieved through echo and equalizer functions, with a frequency response of 90 Hz to 20 kHz and a sensitivity of 80 dB for balanced sound across various music genres. The rechargeable 3.7V 1200mAh battery enables up to 3 hours of uninterrupted music playback after a full charge, including a USB cable for convenient charging. A separate AUX cable is included for direct audio source connections. Decorative colored LED lights activate during music playback, enhancing the audio experience visually. The TWS (True Wireless Stereo) function allows pairing of two identical Dunlop speakers into a stereo sound system with an extended sound range. The neutral black color adapts to various environments. The design emphasizes durability and reliability, focusing on practical audio performance for everyday use.