Cloud Hi-Fi Wireless Headphone delivers crisp, balanced sound with reliable wireless performance for work, study, travel, and workouts. Designed for all‑day comfort, it pairs quickly, holds a stable connection, and keeps you focused with clear audio and an ergonomic fit. Perfect for music, calls, and meetings. Key details: Wireless version: 6.0 Wireless distance: 10M Battery:400mAh Speaker size: 40mm; Working Frequency： 2.402 -2.480 GHz; Frequency response： 20Hz-20KHz Sensitivity:118+/-3dB@1KHz Impedance:32Ω; Music time:50H Talk time:36H; Charge time: 1.5H（ Type-C）.