Extensive Connectivity: 4.1 bluetooth chip with advanced technology assures stable signal and high quality voice. It's distance can up to 10 meters.Compact And Powerful: Light weight and small size, easy to carry. Two speakers can be connected at same time to bring stereophonic sound.Great Functions: It is not only a music player speaker, it also have function with radio.Large Memory: Large memory with 32G, you can listen to more songs.Guarantee: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem.Discription:This is speaker with 4.1 bluetooth chip which guarantee stable signal , high qualityvoice and its distance can up to 10 meters. It is a music player as well as a radio. Large memory with 32G, you can listen to more song. Light weight and small size, easy to carry.Features:1. 4.1 bluetooth chip with advanced technology assures stable signal. It's distance can up to 10 meters.2. Large memory with 32G, you can listen to more songs.3. It is not only a music player speaker, it also have function with radio.4. Light weight and small size, easy to carry.5. Two speakers can be connected at same time to bring stereophonic sound.Specifications:Bluetooth Chip: 4.1Effective Distance: 10MInterface Type: USBFrequency Response Range: 20Hz-200KHzOutput Power: 5WElectricity Supply: Built-in 4000mAh Lithium BatteryFormat Supported: USB / T-flash Card(Not Included)Extended Storage: 32GBShell Material: PlasticWeight: Approx. 560gColor: Black