Attracted by this Mini Portable LED Display V3.0Bluetooth Speaker with FM/TF Card Play/Hands-free Calls Function because of its elegant appearance， powerful function and mini size， aren’t you?Made of superb material， the outer shell features solid texture for resisting bump， pressure and abrasion. With high technology and deft workmanship， it can provide you with optimal and remarkable stereo tone effect and high-fidelity tone quality. The built-in lithium battery features long service life and it isavailable to charge with USB cable， convenient and efficient. What is more， with TF card slot， FM and hands-free calls functions， it is rather practical. How can you refuse it?                                    Features             Support Bluetooth 3.0 wireless play<br> Designed into LED display， it is advanced <br> Built-in microphone for hands-free calls function<br> With FM function<br> 3.5mm universal audio input jack is convenient and easy to use<br> Support TF card play <br> Built-in high-performance Lithium battery with USB charging <br> 10m high-fidelity and efficient transmission<br> Perfect support iPhone， iPad or all cell phone with Bluetooth function  <br>                                                            Specifications             Loudspeaker     1.57" / 40mm    <br> Operation Frequency     200GHz - 2.480GHz    <br> Operation Range     >10m    <br> Capacity     600mAh， Li-ion Battery    <br> Rated Power     3W    <br> Music Playback Time     3 - 4 Hours at 70% Volume     <br> Dimensions     (3.98 x 2.48 x 1.34)" / (10.1 x 6.3 x 3.4)cm (L x W x H)    <br> Weight     6.67oz / 189g     <br> Color     Black    <br> Charging Voltage     DC 5V/ 1000mAh    <br> Charging Time     3 - 4 Hours    <br> Signal to Noise Ratio(SNR)     65dB     <br> Interface     Micro USB    <br> Diaplay Screen     LED     <br>                                                             Package Includes            1 x Speaker<br>1 x USB Cable(2 in 1)<br>1 x User Manual<br>