ANC BT Headset

Bluetooth headset （black） Model: SY-ANC887 PLU NO#:A14-10/432 UPC1:  6933863808879 UPC2:  615666340997 ★★★★★ 20729 Product Description Drive unit: 40mm SPECIFICATIONS: Frequency: 20Hz-20KHz Sensitivity:108dB Maximum SPL:95dB Microphone sensitivity: @1KHz-24dBV/Pa Impedance: 32ohm Battery type: Lion(3.7v,550mAH) Transmission range:Up to 10 m Charging time:2-3hours About This Product Active Noise Cancelling technology. Significant noise reduction for travel, work and anywhere in between. Advanced active noise reduction technology quells airplane cabin noise, city traffic or a busy office, makes you focus on what you want to hear,enjoy your music, movies and videos. The noise cancellation function can work well both in wire and wireless mode. Accurate bass response. The Active Noise Cancelling around-ear headphones from give you crisp, powerful sound and quiet that helps you enjoy your music better. The goal that provide Customers with better sound quality, is our cons