Description: Adoptes powerful Bluetooth 5.0 technology, which is compatible with all Bluetooth devices, more stable and performing. This speaker can also be connected to Non-Bluetooth devices with 3.5mm audio cable, providing you another playback mode. The portable bluetooth speaker provides louder volume and richer bass, its crystal clear deep bass and 3W + 3W HD loud speakers are suitable for both indoor and outdoor asuch as dorm room, bathroom, beach, car, and parties. With built in rechargeable lithium polymer battery, it can be played for 6 hours uninterruptly. You can enjoy your favorite songs without worrying about the battery. It allows to insert TF Card or U Disk to listen to the list of your favorite tracks, and the built-in FM radio to listen to the news, broadcast in real time. Support hands free calls. Specification: Material: ABS Bluetooth Protocol: 5.0 Transmission Distance: 10m Playing Time: 6 Hours Expansion Storage: 16G Output Power: 3w X 2 Input Sensitivity: 400mv Resolution: ≥90db SNR: ≥75db Working Voltage: DC 5V Battery: 1200 mAh Stereo Audio Transmission Protocol: A2dp V1.2 Function: Support Bluetooth Connection, Hands-free Call, TF Card, U Disk, FM Radio, Audio Output Size Chart: 18×6.3×4.3cm/7.09×2.48×1.69inch Package Includes: 1 Piece Bluetooth Speaker 1 Piece Charging Cable Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!