Product Description:<br>* The best sound quality: 3 d surround sound<br>* New Bluetooth version 2.1, short of up to 15 to 20 m<br>* Portable Multifunctional Speaker<br>* Working time: 17-18 Hours<br>The Properties<br>* Speaker unit: 4 Ω 3 wx2<br>* Frequency: 100 hz - 18 KHZ<br>* SNR: 85 db or higher<br>* the Response sensitivity: 500 mv<br>* Impendance: 40 hm (Ω)<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/566150dcae8c932cb9c1d63d-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="http://contestimg.wish.com/api/image/rating?name=c56a5e0c8a2f11e6a347062a6377b9f1.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="http://contestimg.wish.com/api/image/rating?name=f3ae7cfe609911e680ef02f21594f071.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="http://contestimg.wish.com/api/image/rating?name=e578309c42f511e6b207065f903a9ac5.jpg" alt=""width="800" noproxy><p style="text-align: center;">