Modern 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: 5.3 Speaker size: 40mm Wireless distance: 10m; Music time: 10H(maximum volume); 20H(60% volume) Charge time: 3H（ Type-C） Battery:300mAh; Frequency range: 2402MHz-2480MHz Frequency response: 20Hz-20KHz Supports protocols: HFP,A2DP,AVRCP,MP3.