Bang & Olufsen Beoplay A1 Portable Bluetooth Speaker with Microphone &ndash; Moss Green - 1297862 Truly portable Bluetooth speaker for music and calls. Up to 24 hours playtime at moderate listening level. Built-in, rechargeable, 7,2V, 2200mAh, Li-Ion. More sound. More bass. Peak power of 2X140 W Connect two BeoplayA1s for a wireless stereo experience Keeps on playing. Up to 24 hours at normal volume levels All aluminum dome. Dust and splash resistant