Made of ABS and fabric, this bluetooth speaker is dust-proof, drop-proof, sturdy and durable. Built-in high-definition noise-canceling microphone, you can answer incoming calls with a light touch without noise and delay, allowing your voice to be face-to-face. With the latest Bluetooth 5.0 technology, it is compatible with most Bluetooth devices, such as tablets, laptops, TVs and mobile phones. Built-in 1200mAh lithium-ion battery for long battery life. Perfect for hiking, biking, beach, travel, outdoors and indoors. Bluetooth Version: 5.0 Speaker Power: 5W 52mm 4 ohms Frequency Response: 180Hz - 18kHz Signal-to-noise Ratio: 80dB Rated Voltage: DC5V Battery Capacity: 1200mah Charging Time: about 2h Material: ABS, Fabric Color: Black, Gray, Green, Red(optional) Size: 110 x 110 x 48mm Weight: 280g Package List: 1 x Portable Bluetooth Speaker 1 x Charging Cable 1 x Manual