Use Bluetooth 5.0 module for faster transmission, lower power consumption, stronger anti-interference ability, fast and stable connection Full-frequency internal magnetic horn, independent subwoofer diaphragm, more even and full sound Built-in 1800mAh battery, can be used for about 4-6 hours after full charged Support FM radio, you can directly search for radio stations in the listening area Exquisite and retro style, aesthetics integrated into life, it is also a good home decor Support AUX audio input, provide you computer speaker function, also can be directly connected to mobile phone/tablet/TV to wirelessly pair and play music Specification: Bluetooth version: 5.0 Effective distance: 10 meters Box material: ABS Shell material: plastic Frequency response range: 100HZ-20KHZ Signal to noise ratio: ≥75dB Built-in battery capacity: 1800mAh Playing time: 4-6 hours Speaker size: 40mm? Output Power: 4Ω 5W*2 Product weight: 628g