Operation Instruction

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一．产品特征 Product Features
1. 功能集成：取代射击耳罩和护目镜，实现射击降噪、射击护眼、蓝牙通讯、户外护目四项
功能合一；
Function integration: replace the shooting ear cover and goggles, realize the integration of shooting noise
reduction, shooting eye protection, bluetooth communication and outdoor eye protection;
2. 标准模式为蓝牙射击模式（BTS），在蓝牙通讯状态下有效抑制枪声和保护眼睛；
Standard mode is bluetooth shooting mode (BTS), which can effectively suppress gunshots and protect eyes in
bluetooth communication state;
3. 黄、红、黑和白 4 色镜片可更换，以适用于不同场合；
Yellow, red, black and white lenses are replaceable for different occasions;
4. 通用 USB 口充电，无需更换电池；
Universal USB port charging, no need to replace the battery;
5. 耳塞替代耳罩，更适合夏天佩戴。
Earplugs are better for summer wear than earmuffs;
二．一般规格 General Specifications
噪声衰减值 Noise Attenuation：
名称 Name
技术参数
Technical
parameters
名称 Name
技术参数
Technical
parameters
工作电压
Operating
voltage
3.7V
电池容量 battery
capacity
3.7V/500mAh
工作电流
Operating
current
15mA
待机时间
stand-by time
72H
响应频率范围
Responding
frequency range
20～20kHz
USB 充电电压电流
USB charging
voltage current
DC5.0V/500mA
无线传输频率
Wireless
transmission
frequency
2.402-2.480GHz
工作温度
Operating
temperature
-45℃～55℃
距离 distance 10 米 meters 重量 Weight 58g
噪声频率(Hz)
Noise Frequency 250 500 1000 2000 3150 4000 6300 8000
衰减值(dB)
Attenuation 6.9 20.2 28.3 31.2 36.1 32.6 40.7 39.1