Product Features and Description ZEALOT Powerful Bluetooth Speaker Bass Wireless Portable Subwoofer Waterproof Sound Box Support TF, TWS, USB Flash Drive.S51 Product Features:Bluetooth: 5.0Battery: 1800mAhLoudspeaker: 4 Ω, 2*5WTransmission Range: 10mProduct Size: 8 cm x 8 cm x 19.2 cmProduct Weight: 500 gMusic Play Time: 4-6 hoursTalk Time: 6 hoursCharge Time: 3 hoursStandby Time: 30 daysCompatible with: iPhones, Android Phones, iPads Packaging List: 1 x Zealot S51 bluetooth speaker in gift box 1 x charging cable 1 x user manual