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Aibecy aims to help bring the latest technology to users and striving to realize simple life for people everywhere. At aibecy, we love to hear from all fans and value every constructive advice to improve our products. Vip club program is the main way we engage with fans to learn how we can do better. By joining us, you will get unlock access to exclusive promotions, pre-release products and enjoy other benefits. Test our products, share your experience, help us get it right. Specifications:Speaker Sampling Frequency: 24Khz~48KhzMic Sampling Frequency: 16Khz Speaker: 4? 3WUSB Cable: DC 5V 500mA 3m longMic: Dual-condenser Omnidirectional Mic-Sensitivity: -34 3dB-Frequency: 100~10 000Hz-Impedance: 2.2K?-SNR: 58dB-Max. Sound Pressure Level: 95dB-Max. Current Consumption: 0.5mAEcho Cancellation: Max. 256msReverberation Time: ?0.5sProduct Noise: ?48dBAAudio Processing: AEC/AGC/NR/NLP/ALCSystem Environment: Compatible for Windows 8/7/VISTA/XP/2000 for Mac / iOS / AndroidInterface: 3.5mm Audio Input for Mic 3.5mm Audio Output for Loudspeaker Phone Audio Port USB Port.