The Poly CCX 350 unites HD audio quality with unbeatable value for money while offering full Teams integration. Other features: - Poly HD Voice with Acoustic Clarity technology - Poly Acoustic Fence and NoiseBlockAI technologies - Full duplex speaker operation and echo suppression Power supply not included! Please note: We recommend the Poly Plus Service for this product. The Plus Service includes the following: - Software upgrade and updates - Spare part service - Next business day - Poly Online Support Center access - Technical escalation support - 24 x 7 technical phone support - Priority technical support - Ecosystem Cloud Partner (ECPS) support - Network diagnosis tests, e-mail notifications - Discount on Professional Services - Poly Lens premium features - Enhance support calls with live video diagnosis Poly CCX 350 1Y Plus Service (487P-49690-112) Poly CCX 350 3Y Plus Service (487P-49690-312) The service can be extended.