Feature: 1. [3 Connection Methods] Bluetooth, USB, small memory card (without). BT 5.3 technology ensures fast and stable pairing with device up to 52 feet away. 2. [Multi Features] The speaker supports for True Wireless Stereo function, you can connect two speakers at the same time, with colorful LED light, allowing you to enjoy immersive surround sound music. 3. [Clear Sound] This speaker can deliver clear highs, deep lows, and true high definition sound, can pair seamlessly with smartphones, tablets, laptops, and more. 4. [Battery Powered] This worksite speaker is compatible with for 18V lithium ion batteries, including 48-11-1820, 48-11-1822, 48-11-1840, 48-11-1850, 48-11-1852, 48-11-1860, 48-11-1862. 5. [Low Voltage Guard] This speaker automatically cuts off the circuit when the battery voltage drops below 15V, guards against battery damage and other safety issues caused by low voltage levels. Specification: Item Type: Jobsite Bluetooth Speaker Material: ABS Input: DC18V Output: USB A 5V 2.1A TYPE C PD18W Playback: BT5.3, USB, Small Memory Card Memory Card: Small Memory Card (Not Included) Compatible Battery: for 48-11-1828 48-11-1815 48-11-1840 48-11-1850 48-11-1860 48-11-1890 18V Battery x 1 (Not Included). Package List: 1 x Jobsite Bluetooth Speaker (Small Memory Card Not Included) 1 x User Manual