The Best Noise Cancellation · Extraordinary Sound Quality · Crystal Clear Call Quality · Up to 30-Hour Battery Life · Quick Charging · Enjoy All-Day Comfort. ~ Support Android and iOS (Whatsapp and Wechat message notifications) Version：v5.3 Bluetooth Profile : A2DP，AVRCP，HFP，HSP，TMAP，CSIP，MCP，VCP，CCP (Continuous music playback time)：Max. 30 hours(NC ON), Max. 40 hours(NC OFF) (Continuous communication time): Max. 24 hours(NC ON), Max. 28 hours(NC OFF) Frequency Response : 4 Hz - 40,000 Hz (JEITA) Frequency Response (Active Operation) : 4 Hz - 40,000 Hz Frequency Response (Bluetooth Communication) : 20Hz-20,000Hz (44.1kHz sampling) 20Hz-40,000Hz (LDAC 96kHz sampling 990kbps) Accessories Included: Headphone x1pc, Carrying case x1pc, Headphone cable (approx. 1.2m) x1pc, USB charging cable x1pc WH-1000XM6 ~ - Return and refund are not accept. - Free shipping to HK/Macau when spending over $500 onwards - China area shipping fee $130 + Local SF Express - Two business day shipping. Sent via SF express / JD Logistics - Exchange of defective units purchased in 7 days ~ *Photo for reference only