Fast USB Charging Wireless Bluetooth Headphones Over Ear and Foldable
Our company adheres to the concept of returning users with science and technology and creating public praise with school digital language lab, GD5110BV, GC8120 Digital Language Laboratory. We cooperate with friends hand in hand with superior quality assurance and fast after-sales service. If you have any suggestions or criticisms about our products, please give us feedback so that we can make improvements in time! No matter under any conditions or in any process, we always maintain the positive attitude of the winners and be brave to pioneer. With our excellent products and efficient services, we are looking forward to developing more extensive cooperation with customers all over the world. A journey of a thousand miles starts with one step, and the sound of good reputation originates from service.
USB Port Language Laboratory Headphone
Language Lab Headphone Features:
a) Frequency Response: 125Hz ~ 8000 Hz, ± 17 dB (0dB = 20uPa The) (input power = 1mW);
b) Electrical Impedance: 32Ù ± 20%;
c) The characteristics of sound pressure level (sensitivity): the = 100dB/1mW (0dB = 20uPa).
a) Frequency response :40-20000HZ
b) Type: electrets microphone;
c) Receiving voltage response: -47 ± 2 dB (0 dB = 1V/Pa);
d) Directional type: two-way.
Language Laboratory Headphone Detail
Language Laboratory Headphone Packing
1). Packing Measurement
2). Packing Details
Payment & Delivery
1)Payment Terms: TT, L/C at sight.
2)Delivery Time: 10-15 days after getting the deposit
Real Language Lab Headphone Case
We have many years of experience in Fast USB Charging Wireless Bluetooth Headphones Over Ear and Foldable. With the tenet of 'high quality, high efficiency and development', the company services for customers with advanced technology, quality and good price ofenterprises both at home and abroad. We've been here expecting close friends all around the earth! We encourage employees to be loyal to the company's business, hoping to establish a win-win strategy between the company and employees.