Portable USB Rechargeable Bluetooth V2.1+EDR Stereo Speaker - Silver
Color: Silver - Aluminum alloy housing - Bluetooth version: V2.1 + EDR - Operation range: 10m - Rated power: 3W - Frequency response: 100Hz~20KHz - SN ratio: 75dB - Distortion: 1% 1W 1KHz - Built-in 800mAh rechargeable lithium battery - Working time: 8 hours - Charging time: 3~4 hours - Supports Iphone Ipad laptop MP3 MP4 or other devices with Bluetooth function - Comes with USB cable (47cm) and carrying strap - Chinese/English user manual included