Model: SDY033<br />Color: black， white， red， yellow， blue， green<br />Product Features:<br />1. transparent shell， the appearance of new， with LED display<br />2. The built-in high-quality lithium battery<br />3. Bluetooth working distance， call clarity<br />4. With TF card， USB music player， supports lossless music format APE， FLAC<br />5. With audio input and FM radio， built-in FM antenna<br />6. Quality self boosting amplifier IC and an inner magnetic speaker， superior sound quality<br /><br />Bluetooth working distance: 15M (open Accessibility Office)<br />Speaker Specifications: Φ52mm 4Ω 5W<br />Output Power: 5W<br />Frequency response: 80HZ-18KHZ<br />Sensitivity: 80dB<br />SNR: ≥90 dB<br />Distortion: ≤0.3%<br />Supported music formats: MP3， WMA， WAV， APE， FLAC<br />Battery: Built-in 1800mA / H Lithium Battery<br />Operating voltage: 3.3V-4.2V<br />Charge voltage: DC 5V / 1000MA<br />Life time: 3-5 hours (due to the volume and audio content varies)<br /><img src="http://img6.eachbuyer.com/x9/p100/eb7068_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb7068_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb7068_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb7068_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb7068_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb7068_6.jpg" />