Portable speaker with built-in microphone for an enhanced user experience and immersive sound.Material: ABS, FabricWireless transmission: BT v5. 0Capacity: 300 mAhApproximate battery life: 2 hApproximate charging time: 2 hInput: USB-C (2'5W) , microSD, USB-ASpeaker: Frequency response: 100 Hz - 20 kHzSignal-to-noise ratio: > 95 dBSensitivity: 85 ±3 dBImpedance: 4ΩSpeaker diameter: Ø 45 mmSound power: 3 WFeatures: Hands-free, FM radioIncludes: USB-A / USB-C cableDelivery: black gift boxDimensions: 120 x 80 x 40 mm | Box: 142 x 85 x 45 mm