The rechargeable batteries will Supply you with around twenty five several hours of play time for each juice-up. It's also possible to us your Marshall to reply, decline, and conclusion calls. Lame. Not your fault nevertheless, they put the "Phone" button ideal on there beside the speaker's bass and https://www.bluetoothspeaker.top/trending-products-rechargeable-amplifier-wireless-partybox-bluetooth-speaker-sound-box/