Product descriptionMaterial: fabric + ABSSize: 4.4 * 4cmColor: black, redBattery capacity: 3.7 V 230 mAHSignal to noise ratio: 60dbFunction: dustproof, voice prompt, call function, NFC functionPackage Contents: 1 * Mini TWS bluetooth speaker1. High quality wireless speaker: Mobile bluetooth speaker with fantastic sound quality. A 2W audio driver ensures a precise sound.2. High compatibility: Tablet PCs, smartphones, laptops, notebooks, ultrabooks, iPhones, iPads, iPods, Samsung Galaxy, HTC One etc. The range of the wireless speakers is: approx. 10 meters.3. Lightweight, perfect portability Equipped with a cord for easy hanging anywhere. You can use this small wireless bluetooth speaker to enjoy music while traveling outdoors. Bluetooth 4.2 technology Equipped with advanced technology, compatible with bluetooth devices. The loudspeaker automatically connects to the device last used.4. Incredible battery life: Rechargeable powerful battery. Play for up to 6-8 hours when charged at 2/3 volume, portable, lightweight and compact design, suitable for travel and hiking, ultra-light, easy to pack in a bag or backpack.5. Fabric processing: The shell is made of fabric and ABS material and feels comfortable. After a lot of craftsmanship, it is skin-friendly and artistic.