<ul> <li>Detachable shoulder strap, up to 120cm, the length of the shoulder strap can be adjusted according to the height</li> <li>Built-in loudspeaker. 360-degree audio, amazing viper sound, heavy bass</li> <li>The wireless Bluetooth speaker is made of high-quality shockproof material, IPX5 waterproof</li> <li>Auto search for Bluetooth, instant pairing</li> <li>Support incoming call function, free your hands. Support MP3, WMA, WAV, FLAC, APE format music files. Support 32GB TF card (not included)</li> <li>Portable Bluetooth speaker with RGB phantom LED lights, multiple flashing modes</li> <li>Support external MP3/MP4/computer and other audio input functions (AUX)</li> <li>Rechargeable 3600mAh battery, 6-10 hours gaming time, 2/3 capacity, one charge</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Bluetooth version: 4.2</li> <li>Bluetooth distance: < 33 feet</li> <li>Support: FM, TF card input, U disk input, 3.5mm audio input</li> <li>Extended memory: 32G (not included)</li> <li>Battery capacity: 3600mAh</li> <li>Charging time: 5 hours</li> <li>Listening/Speaking Time: 5-6 hours</li> <li>Waterproof grade: IPX5</li> <li>Charging parameters: 5 V 1A</li> <li>Supported music formats: MP3, Wav, WMA, FLAC, APE</li> <li>Frequency Response: 70Hz-20kHz</li> <li>Signal-to-noise ratio:≧95dB</li> <li>Distortion rate: < 0.5%</li> </ul>