The Festool TOPROCK SYS3 BT20 M 137 USB-C is a Bluetooth® speaker in Systainer³ format that combines excellent sound with the practical Systainer system. Ideal for use on the construction site, in the workshop, or for leisure. Special FeaturesFour neodymium speakers with two bass reflex systems for clear and voluminous soundBluetooth 5 with TWS (True Wireless Stereo) for stereo sound when pairing two TOPROCK speakersPower bank function via USB output for charging external devicesIntuitive operation with illuminated buttonsCan be used via built-in battery or power cordCompact Systainer³ format for optimal stackability and transport Technical specificationsPower: 20 WBattery voltage: 11 VBluetooth: YesBattery capacity: 3.35 Ah (Li-ion)Number of batteries included: 1Weight: 2.8 kgPower bank function: Yes Standard accessoriesPower adapter with USB-C cable