The WF-1000XM5 feature cutting-edge technology to deliver premium sound quality and the best noise-cancelling performance on the market. ~ Support Android and iOS (Whatsapp and Wechat message notifications) Version：v5.3 Bluetooth Profile : A2DP、 AVRCP、HFP、HSP、TMAP、CSIP、MCP、VCP、CCP Weight : Approx 5.9g x2 (Including earbud tips (M)) (Continuous music playback time): Max. 8 hours (NC ON), Max. 12 hours (NC OFF) Continuous communication time: Max. 6 hours (NC ON), Max. 7 hours (NC OFF) ~ Sony 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 • Three to five business day shipping. Sent via SF express. • Exchange of defective units purchased in 7 days • 6 months warranty ~ *Photo for reference only