Mecer Bluetooth Conference Stereo Speaker

Mecer Bluetooth Conference Stereo Speaker *4 x Environmental Noise Cancelling, Acoustic Echo Cancelling, Omni Directional Microphone, *Built-in 3W Stereo Speaker, 1500mAh Battery, 6.5 hours Operating) *Dimension: 107 x 33.5 x 108mm * Weight : 270g