wide frequency built in microphone headset

{"cid":"91218987","title":"High-sensitivity Wide-frequency Omnidirectional Built-in Microphone Earphone For Gaming Music And Video Calls","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/9c\/c0ad62e88d6194c1ab521c793a17-200x200-1.jpg","attrs":{"Brand Name":"ETEK","Model Number":"AHP-4-886","Minimum Order Quantity":"1000pcs","Delivery Time":"20-30 Working Days","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Packaging Details":"Color Box","Speaker":"\u03a640mm","Impedance":"32\u03a9\u00b115%","Frequency Response":"20hz-20khz","Response Rate":"105\u00b13dB\/MW","Cable length":"1.8M\u00b10.15M","TYPE":"Wired Headset"}}

{"cid":"91149500","title":"5W Wireless Listening System With Headset Monitor Earphone 32GB Storage","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/b2\/f94af1e8434e353df568710be9f5-200x200-1.jpg","attrs":{"Price":"USD\/SET FOB SHENZHEN","Brand Name":"HEWEI","Minimum Order Quantity":"1 SET","Delivery Time":"20 WORKING DAYS","Certification":"YES","Place of Origin":"MADE IN CHINA","Payment Terms":"T\/T","Supply Ability":"10 SETS PER MONTH","Packaging Details":"110 * 57 * 39MM,CARTON CASE","Battery":"7.4 V \/ 2800 mAh(lithium-ion battery)","Channel":"16","Weight":"240g","Power":"5W","Audio power rating":"1 W","The power voltage":"7.5V DC \u00b120%","Storage":"32GB","The recording time":"500 hours"}}

{"cid":"91187466","title":"4G Body Camera LTE Rtsp Local IP B28 Frequency AES Encryption","imgUrl":"https:\/\/img.chinax.com\/nimg\/78\/9d\/c52d6d90ccc4bf378f62e28c1ea8-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Tactical Camera","Model Number":"ZP730G","Minimum Order Quantity":"1pc","Delivery Time":"Sample: Around 3-5 working days after payment","Certification":"CE.RoHS,FCC","Place of Origin":"China","Payment Terms":"T\/T, Western Union,Paypal, Credit Card","Supply Ability":"10000pcs\/month","Packaging Details":"Gift Box","Working temperature":"-20 \u2103 To +60 \u2103","Wifi function":"802.11b\/g Protocol \uff0c2.4GHZ 5GHz","Video coding resolution":"1920X1080 30P\uff1b1080P@30fps \/720@30fps MP4 Format","Signal to noise ratio":">42db (AGC OFF)","Chipset":"1\/2.8 Micro Starlight","Storage capacity":"Support 16G\/32G\/64G\/128G(With Standard 64GB TF Card)","Battery":"Built-in 4000mAh Battery, Video Recording \u22656 Hours\uff1b Stand \u226525hours","Main Stream":"1920 * 1080, 1-30 Frames Per Second"}}