On April 18th, it was learned from the Quality Supervision Bureau of Nanchang City that on the 12th to 26th, the draft of the three recommended local standards for Jiangxi Province drafted and formulated by the relevant units of Nanchang City was open to the public for comments and suggestions.
It is understood that these three local standards are "Nanchang City Landscaping Planting Soil Quality Requirements", "LED Tube Light" and "LED Bulb Lamp". If there are different opinions and suggestions on the standard content, the written opinions can be directly fed back to Relevant standard setting unit.
Standard download:
LED fluorescent light
LED Bulbs
Wired Headphone including kids headphones /Music Headphones/Basic Wired Headphones/Studio Headphones
1. Frequency Range: 20Hz - 20KHz
2. Impedance: 32 Ohm
3. Sensitivity: 108dB+/-5dB(93db)
4. Speaker: 40MM
5. Plug Type: 3.5mm Stereo
6. Length of Cable: About 1.2m -1.5m
Materials: with rubbish finish and silk printing
Use for kids education/fashion show/pc /tablet
Wired Headphones,Wired Headphone With Mic,Kids Headphones For Ipad,In Ear Headphones
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