The Mi Pocket Speaker 2 features a built-in 1,200 mAh battery that lasts for up to 7 hours, making it suitable for longer days. Inside its sleek casing is a powerful speaker driver from Tymphany, which delivers impressive performance in both high and low frequencies. The upper section of the Mi Pocket Speaker 2 responds to touch and gestures, allowing you to turn it on and off or pair it with devices. Rotating the top section adjusts the volume. Thanks to Bluetooth 4.1, the speaker is compatible with nearly all devices. Additionally, the integrated microphone allows you to easily answer and conduct incoming calls without needing to remove the paired device.