Specifications:<br>Color: Red, Yellow, Blue, Pink<br>Speaker Specifications: φ31mm, 2w x 4Ω × 2<br>Output Power: 4W<br>Transmission Interface: USB2.0<br>Operating range: 10 meters (open area)<br>Frequency response: 60Hz-20KHz<br>Supported formats: MP3<br>Sensitivity: 80db ± 2db<br>Signal to noise ratio: ≥80dB<br>Distortion: ≤0.5%<br>The song: the song<br>Speaker effect: 3D Surround<br>Power supply: built-in A-class lithium battery<br>Battery capacity: 1200mAh<br>Charging voltage: DC 5V<br>Size: 108 * 35 * 35mm<br>Product Weight: 120g<br> <br>Features:<br>☆ Apply to Bluetooth-enabled mobile phones, computers, tablets and other wireless devices to connect to play music.<br>☆ Support smart devices.<br>☆ Phone has school distance: 10 meters (open).<br>☆ Support NFC near field communication technology, fast connection Bluetooth speaker.<br>☆ Built-in lithium battery + external power adapter.<br>☆ Small size, perfect sound quality for home, travel, sports, leisure and entertainment.<br>☆ Use φ31mm double magnetic speaker, the combination of scientific acoustic structure.<br>☆ Class D digital amplifier chip, low power consumption, high power conversion efficiency up to 90%. (AB class amplifier efficiency of 75%, small power, heat.)<br><br>Standard accessories:<br>1 X Charging cable<br>1 X Audio cable 3.5 pairs 3.5<br>1 X Manual<br><br>Note:<br>A USB charging port, a 3.5 audio input.<br>Charging time is 4 hours.<br>Playing time, playing at full volume for 5 hours. (Cottage speakers playing at full volume to half an hour to one hour)<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-8-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5735a7822da4215e8561b1cc-10-original.jpg" alt=""width="800" noproxy><p style="text-align: center;">