🎵【Compact Hi‑Fi Bookshelf Speakers – 80W】 Dual 1.2‑inch dome tweeters paired with 3‑inch bass drivers deliver crisp treble and richer low‑end response. The precisely tuned woofers reinforce the lower frequencies, creating a full, immersive soundstage with substantial bass punch – ideal for a lively, dynamic listening experience. ✔️【Latest Wireless Audio Technology】 With an upgrade to Bluetooth 5.3, these speakers ensure faster pairing, greater wireless range, and ultra‑low latency, bringing high‑quality sound to any room. They connect effortlessly with iPhones, Android devices, tablets, projectors, PCs, and TVs for hassle‑free use. 📢【Elevate Your Desktop Audio】 USB digital input provides lossless, low‑latency audio transmission. Combined with powerful bass drivers and expertly balanced low frequencies, these speakers produce deep, dynamic bass that typical soundbars can't match. In games, explosions and footsteps feel more vivid and intense – making them a perfect choice for gamers who demand superior sound. ⭐【Custom Bass & Treble Control (6 Levels)】 Designed for audio enthusiasts, these speakers allow you to fine‑tune bass and treble across six levels to suit any content – whether movies, games, or various music styles. Whether you want to boost the lows or sharpen the highs, you get professional‑grade adjustment for a personalised listening experience. 🎈【Versatile Connectivity & Simple Setup】 Equipped with RCA, optical, and USB inputs, plus Bluetooth support, these speakers make connecting to PCs and other devices easier than ever. They work perfectly with turntables, TVs, computers, and laptops, delivering an immersive sound experience. Setup is quick and straightforward – just plug in and start enjoying your music. 📌Specification: Item Type: Bookshelf Speaker Set Material: PVC, High Density MDF Sound Channel: 2.0 Channel (Left Channel + Right Channel) Output Power: 40W+40W SNR: ≥85dB Degree of Distortion: <1% Frequency Range: 40HZ to 18KHZ Input Voltage: DC19V Status Indicator: RBG 5 Color LED Control Method: Panel Button, Knob Input Mode: Bluetooth, Optical Fiber, RCA, USB Single Size: Approx. 120x215x136mm / 4.72x8.46x5.35in 🎁Package List: 2 x Speakers 1 x Supply Adapter 1 x Left Right Connecting Cable 1 x Optical Fiber Cable 1 x USB Cable 1 x RCA Cable 1 x User Manual 📝Here are F-A-Qs: ✔️Q1: How to connect to different devices? When you connect to different devices, make sure that the speaker has switched to the corresponding device mode. When the indicator light is red, it means the device is in standby mode. Press the "P/M" button behind the main speaker to switch to different device modes, and the indicator light will switch to different colors. When the indicator light is flashing in dark blue after pressing the "P/M" button, you can connect to the speaker via Bluetooth. When the indicator light is white, you can connect to the speaker via a USB cable. cyan is RCA connection mode, purple indicator light is optical connection mode. ✔️Q2: Why do some computers show different decoding rates? Because the speaker directly decodes the data through the built-in chip, the corresponding parameters will not be displayed on the computer. The parameters that can be found in the computer are the performance of the sound card that comes with the computer. ✔️Q3: When I use APPs such as Netflix on the TV, the speakers have no sound? The speakers do not support Dolby and DTS, please kindly disable the Dolby and DTS on your TV audio settings or streaming video APPs like Netflix, Hulu etc.