Ultra portable bluetooth speaker from the experts at bampo play small enough to fit in the palm of your hand the a1 speaker as has ambient true 360 sound that really packs a punch with up to 24 hrs of battery life its perfect to take with you anywhere easily recharges with the included usb charger features bluetooth compatible frequency 60 24 000hz battery built in rechargeable play time up to 24 hrs at moderate volume 2 30w class d for woofer and twe