Description: With the top-of-the-line rechargeable li-ion battery, the bluetooth speaker boasts an unbeatable 6 hours of continuous music playtime or make calls time(built in Microphone). A new generation of Bluetooth 5.0 technology, stronger anti-interference ability and more stable signal without any delay. can easily reads music play list, and connect any devices such as smartphone, TV and laptop. Two wireless speakers can be paired for true wireless Bluetooth playback on the left and right channels of the two Bluetooth speakers The portable bluetooth speaker has shocking rich bass, large volume without voice break, 360 all around sound effect. Suitable for car, bedroom, wash room, kitchen, office, conference, business trip, vacation etc. Specification: Material: Metal Bluetooth Support: 5.0 Range: 10 meters Battery: 600mAh Operating Time: approx. 6 hours Frequency Response: 40Hz-20KHz Output: 5W S/N Ratio: >70db TF maximum support: 32G (not included) Size: about 7.35x7.35x6.35cm/2.9x2.9x2.5inch Package Includes: 1 Piece Speaker 1 Piece Power Cord 1 Piece User Guide