[Good soud quality] 10m long-distance transmission, play games or listen to music and watch movies,super stereo speakers, bring your ears back to the scene [Dual-purpose design] Mobile phone holder design and portable design [Creative mobile phone holder] Free your hands, listen and play without fetters [Long battery life] Built-in lithium battery, strong battery life makes good music not tired [Multiple colors to choose from] You can use it wherever and whenever you want Specifications: Frequency response range: 100Hz-20KhZ Signal to noise ratio: 75db Box material: plastic Power supply: built-in battery, capacity: 1000mAh Wireless transmission range: up to 10m Speaker driver size: 3 inch Output power: 5W Scanning range: 87.5 - 108.0 mhz USB charging: DC 5V Maximum memory support (USB or SD): 32GB Playback time: up to 1.5 hours at 75 percent volume Charging time: 2 hours