B5 Retro Phonograph Design Portable Wireless Stereo Speaker Features： 1. Use Bluetooth5.0 module for faster transmission,lower power consumption, stronger anti-interference ability,simple connection, free play; 2. Stereo sound quality, professional acousic master modulates curve to restore high fidelity sound effect; 3. Built-in 1200mAh battery, can be used for about 3-5 hours after full; 4. Exquisite model, light luxury retro, home matching, more refreshing and lower design aesthetics, integrated into a sound life; 5. Support LINE IN audio input, provide you with computer speaker function, which can be directly connected to mobile phone tablet and TV to wirelessly pair and play music. Specification： 1. Bluetooth version: 5.0 2. Effective distance: 10 meters 3. Box material: ABS 4. Shell material: plastic 5. Frequency response range: 100Hz-20KHz 6. Signal to noise ratio: ≥80dB 7. Built-in battery capacity: 1200mAh 8. Playing time: 3-5 hours 9. Speaker: 36mm 4ohm - 5W 10. Output Power: 5W 11. Appearance size: 180x107x105mm 12. Product weight: 397g Package includes: Speaker x 1 Charging cable x 1 Manual x 1