It delivers up to 52 hours of playback with each earbud delivering up to 11 hours of music playback with ANC off & up to 30 hours with ANC on. ~ Support Android and iOS (Whatsapp and Wechat message notifications) Waterproof & Sweatproof:(earbuds:IP54), (Charger Case:IPX2) Playtime (Single/With Case): 11H/52H Fast Charging: 10Min = 5.5 Hours Driver: 12.4mm Weight: 50.3g (Buds + case) Accessories Included: Earbuds x1pair, Charging Case x1pc, ear tips (S/M/L) x@1pair B193 ~ • 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