Product Description Material: Fabric + ABS Size: 4.4 * 4 cm Color: Black, Red Battery Capacity: 3.7V 230 mAH Signal-to-Noise Ratio: 60db Function: Dustproof, voice prompt, call function, NFC function Package Contents: 1 * Mini TWS Bluetooth Speaker 1. High-Quality Wireless Speaker: Enjoy fantastic sound quality from this portable Bluetooth speaker. A 2W audio driver ensures accurate sound. 2. High Compatibility: Compatible with tablets, smartphones, laptops, ultrabooks, iPhones, iPads, iPods, Samsung Galaxy, HTC One, etc. Wireless speaker range: approx. 10 meters. 3. Lightweight & Portable: Equipped with a lanyard for easy hanging anywhere. Take this small wireless Bluetooth speaker with you to enjoy music while traveling outdoors. Bluetooth 4.2 technology ensures compatibility with Bluetooth devices. The speaker automatically connects to the last used device. 4. Incredible Battery Life: Rechargeable powerful battery provides up to 6-8 hours of playtime when charged at 2/3 volume. Portable, lightweight, and compact design, suitable for travel and hiking. Ultralight and easy to pack in a bag or backpack. 5. Fabric Finish: The shell is made of fabric and ABS material for a comfortable feel. Skin-friendly and artistic after careful craftsmanship.