This Bluetooth speaker is a great way to enjoy your music on the go. It has a vintage design that is inspired by classic music players, and it sounds great too! The HM11 Retro Bluetooth Speaker has an output power of 3W and a battery capacity of 400mAh. It can play for 2-4 hours on a single charge, and it only takes 2-3 hours to recharge. This speaker supports Bluetooth, TF card, USB, and AUX connectivity, so you can easily connect it to your devices. It also has a built-in microphone, so you can use it for hands-free calls. The Bluetooth range is 10M, so you can move around freely while using it. The product weight is only 190G