12 months warranty Model:Pro X 7.1-channel ~ BLUE VO!CE Microphone Technology DTS HEADPHONE: 2.0 7.1 surround sound PRO-G 50mm unit audio driver Comfortable, durable External USB sound card ~ Product Size: 138 x 94 x 195 mm Product Weight: 320 g Unit: Composite mesh PRO-G 50 mm Magnet: Neodymium Frequency response: 20 Hz-20 kHz Impedance: 35 ohms Sensitivity: 91.7 dB SPL @ 1 mW & 1 cm Accessories Included: Memory foam and faux leather earpads x1 Memory foam and cloth earpads x1 USB external sound card x1 Detachable microphone x1 2-meter cable with in-line volume and mute functions x1 Mobile cable with buttons x1 Y-split for separate microphone and headphone ports x1 Storage Bag x1 ~ Logitech Original - Parallel import - Return and refund are not accept. - Free shipping to HK/Macau when spending over $500 onwards - China area shipping fee $130 + Local SF Express + Local SF Express - Two business day shipping. Sent via SF express - Exchange of defective units purchased in 7 days - 12 months warranty ~ *Photo for reference only