NewRixing NR6011 20W Portable Wireless Bluetooth Speaker TWS Subwoofer Features: 1. Excellent sound quality: Built-in dual high-performance drivers and a unique enhanced bass bring you a different music experience. 2. Multi-function button control: Easily manage audio playback and call volume control, multi-function button, and built-in microphone. You can even use a 3.5mm audio cable to connect the Bluetooth speaker to a device without Bluetooth functionality. 3. Wireless Bluetooth connection: Enjoy high-definition stereo surround sound, support 10m wireless connection, and the connection is stable through walls without lag. 4. Bluetooth 5.0 technology: Using 5.0 Bluetooth technology, it is compatible with all Bluetooth-compatible devices. The speaker automatically reconnects to the last used device. 5. Long-term playback: Built-in 1500mAh large-capacity lithium battery, supports 4-5 hours of music playback time. Charging time is about 3 hours, equipped with USB data cable, easy to use. Parameters: 1. Bluetooth version: 5.0 + EDR 2. Bluetooth connection distance: about 10m 3. Output power: 4 ohm 10W x 2 4. Speaker size: 66mm x 2 5. Frequency response: 87Hz-108MHz 6. Input voltage: DC5V 1A 7. Battery capacity: 1500mAh 8. Charging time: 4 hours 9. Working time: 4-5 hours 10. Noise signal: above 80 decibels Package List: Bluetooth speaker x 1 Audio cable x 1 Charging cable x 1 User manual x 1 Microphone x 1