declaration

FCC ID: 2APRE-JH-ANC10

Cover Letter(s)

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FCCID_4284789

                           Declaration statement Letter

2019-05-08
MET Laboratories, Inc.
914 West Patapsco Avenue
Baltimore, MD 21230



RE: Declaration statement Letter



To Whom It May Concern:
We hereby declare that (Bluetooth noise reduction headphones / JH-ANC10) fulfill the
requirements of 47 CFR
Part 15C Section 15.247(g) & 15.247(h).



Compliance for section 15.247(g)
According to Bluetooth Core Specification, the Bluetooth system transmits the packet with the pseudorandom
hopping frequency with a continuous data and the short burst transmission from the Bluetooth system is also
transmitted under the frequency hopping system with the pseudorandom hopping frequency system.



Compliance for section 15.247(h)
According to Bluetooth Core specification, the Bluetooth system incorporates with an adaptive system to detect
other user within the spectrum band so that it individually and independently to avoid hopping on the occupied
channels. According to the Bluetooth Core specification, the Bluetooth system is designed not have the ability
to coordinated with other FHSS System in an effort to avoid the simultaneous occupancy of individual hopping
frequencies by multiple transmitter.




Please contact me if there is any information you may need. Sincerely,




Name:           ji xia
Position:       General manager
Company Name: SHENZHEN JIUHU TECHNOLOGY CO., LTD
Address: 4F, HE Sheng Teng Tech Industrial Park, HuanGuan South Road.10 Guanlan, LongHua,
ShenZhen 518110, China
E-Mail:          hunter@jiuhuheadphone.com



Document Created: 2019-05-09 08:54:07
Document Modified: 2019-05-09 08:54:07

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