Passion Neckband Wireless Headset 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:V5.3 Operation range:10M Sensitivity: 102db±3db; Frequency response:20Hz～ 20KHz; Working frequency:2.402GHz-2.480GHz Speaker:Ф 14.2mm; Max power:3-5mw Talk time:60H Music time:60H Charge time:2H; Charge port:Type-C DC5V Battery :500mAh/3.7V; Wireless protocols： A2DP AVRCP SBC HFP.