Specification Material: Stainless Steel, Aluminum Alloys, Plastic Color: Blue, Black, Red, Orange, Green, Pink, Gray, Orange Black, Dark Green, Camouflage Green Size: 9 x 4 x 7.5 cm Weight: 210 g Output Power: 4.2 W Battery Capacity: over 4000 mA Power Source: Battery Powered Audio Compatibility: Mobile, PC, Laptop Connection Type: Wireless Waterproof Rating: IP67 Frequency Range: 110 Hz to 20 kHz Signal-to-Noise Ratio: >85 dB Bluetooth: 5.1 Battery: Lithium Ion Polymer (LiPo), 5 V Package Includes: 1 Wireless Bluetooth Speaker Experience surprisingly big sound and powerful bass from this ultra-compact speaker. IP67 waterproof and dustproof, so you can take your music anywhere. Wirelessly stream music from your phone, tablet, or any other Bluetooth-enabled device. Enjoy up to 5 hours of playtime on a single charge. The ultra-portable design complements the latest styles, making it look as good as it sounds. 1 Wireless Bluetooth Speaker