Experience superior sound quality with the for S51 Pro, a robust 40W wireless speaker designed for outdoor enthusiasts.<br> This portable subwoofer speaker is not only powerful but also features an IPX6 waterproof rating, ensuring it withstands any weather conditions.<br> Dual pairing technology allows you to connect two for S51 Pro speakers for amplified sound, perfect for any outdoor gathering.<br> The long-lasting 5200mAh battery ensures you enjoy uninterrupted music for hours.<br> Whether you're at a beach party, camping, or just chilling in your backyard, the for S51 Pro is your ultimate outdoor companion.<br> Model No: S51 Pro Bluetooth Speaker<br> Number of speakers: 2<br> Speaker Diameter: 57mmx2 4Ohm 20Wx2<br> Standby time: 30 days +<br> Battery capacity: built-in 5200 mAh<br> Power: 40W with good bass<br> Playing time: 6-7 hours<br> Charging time: about 4-5 hours<br> Communication distance: barrier-free 10-15 metres<br> Due to different batches, there may be differences in product appearance and printed text, which not affect use<br> Colour:Black<br> Material:ABS<br> Package Contents:<br> 1 x Speaker<br> 1 x Charging cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.