Bluetooth 5.0, USB, and 3.5mm AUX inputs are compatible with various devices - Faster and more stable transmission with wireless Bluetooth 5.0 input - Plug and play with USB input, no driver required - Comes with complete accessories and can be used immediately - Increases the maximum output power to 100W (50W * 2) with TPA3116 chip - Maintains clear and detailed HiFi sound even at high output power - Ultra-mini size with five available colors (black, silver, gold, blue, red) - Delivers HiFi music and enhances the beauty of your home or office - Suitable for home and desktop audio systems - Color: Black - Bluetooth version: 5.0 - Rated power: 50W * 2 - Channels: 2.0 - Impedance: 4-8 ohms - Input: Bluetooth, USB, 3.5mm AUX - Output: Banana speaker jacks - Power supply: DC 9V-24V (2.76 * 1.50 inches) - Net weight: 154g/0.34 lbs - Package weight: 0.45 kg/0.99 lbs - Package includes: 1 x Amplifier