Oneder B9 Retro Indoor Wireless Portable Bluetooth Speaker Features 1. Use Bluetooth 5.0 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 1500mAh battery, can be used for about 4-6 hours after full; 4. Support FM radio, you can directly search for radio stations in the listening area; 5. Exquisite model, light luxury retro,home matching, more refreshing and lower design aesthetics, integrated into a sound life; 6. 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: >=75dB 7. Built-in battery capacity: 1500mAh 8. Playing time: 4-6 hours 9. Speaker: 36mm 4ohm 5W 10. Output Power: 5W 11. Appearance size: 160x120x95mm 12. Product weight: 572G Package includes: Speaker x1 Audio cable x1 , Charging cable x1 Manual x1