Rapoo CM500 Bluetooth Wireless Conference Speaker (with built-in microphone)

- Model: CM500 - Connectivity: Bluetooth 5.0, USB 2.0 - Material: Plastic - Frequency response: 100~8000Hz - Sensitivity: 88 dB SPL - Power: Maximum power 5W, effective power 3W - Dimensions: 124*124*32mm - Weight: 330g - Frequency range (call mode): 150Hz ~ 8kHz - Frequency range (music mode): 150Hz ~ 16kHz - Volume: 84 dBA (at a distance of 1 meter) - Features: Echo cancellation, soundproofing, gain control - Audio: AUX output, connect to speakers via a 3.5mm audio cable to play music. - System requirements: Windows 7, Windows 8, Windows 10, Mac OS X, Linux, Android - Battery: 6500mAh, fully charged in 4 hours (5V/2V), lasts for 24 hours.