Anc in-ear earphone Driver unit 2pcs dia8mm Frequency response 20-20khz Impedance 32 ohm Sensitivity 113db, 120db (at 1 khz) Noise reduction level ¿¬p11db at 300hz Plug dia 3.5mm Cord length 2.0m Battery aaa 1pcs We combine active noise cancellation with style. Comfort and sound quality to create a full, rich sound anywhere you use them. Thanks to the soft ear cushions and lightweight design you'll enjoy superior comfort for hours of listening pleasure. Plus, you'll experience optimal sound quality and speech clarity even at lower volumes, easily adjusted by the in-line volume control. Requires one aaa battery (not included) .It is compatible with all ipod, mp3, cd, dvd players, computers, in-flight and home entertainment systems
Anc689 Driver unit 2pcs dia40mm Frequency response 20-20khz Impedance 32 ohm Sensitivity 110db, 116db (at 1 khz) Noise reduction level f¦13db at 300hz Plug dia3.5mm Cord length 2.0m Battery 1pcs AAA battery We combine active noise cancellation with style. Comfort and sound quality to create a full, rich sound anywhere you use them. Thanks to the soft ear cushions and lightweight design you'll enjoy superior comfort for hours of listening pleasure. Plus, you'll experience optimal sound quality and speech clarity even at lower volumes, easily adjusted by the in-line volume control. Requires one aaa battery (not included) .It is compatible with all ipod, mp3, cd, dvd players, computers, in-flight and home entertainment systems
Mp3 earphone 1. Speaker diameter: 14.8mm 2. Sensitivity at 1khz: 110+/-3db 3. Impedance: 32+/-15%ohm 4. Mylar: 6u 5. Frequency response: 50-18000hz
Bluetooth headsets Features: Bluetooth v2.0 Excellent sound quality 4 hours talk time 80 hours standby time Operating distance: 10 meters Built-in rechargeable li-on polymer battery Led indication Super mini: 37mm*17mm*9mm Only 6 grams Charger fits nokia a/c Super mini: 37mm*17mm*9mm
Frequency Response 20HZú¡20KHZ Speaker íT30mm Impedance 32ª+ Rated Power 20mw Power Capability 100mw Cord Length 2.25m Microphone 6x5-58í+3db Connector Plug íT3.5mm The red for the microphone The black for the earphone
Headphone Speaker dimension: 30mm Impedance:32 ohm Sensitivity:105db Power capability:150ww Plug type:3.5mm stereo Cable length:2.5m
Jh-8078c1 2.4g wireless headphone Jh-8078c1 wireless headphone is specially designed for tv, mp4, ipod, pc and any other audio/video devices users who pursue high quality stereo crystal clear sound without disturbing others or considering the limitation of connection cables, it adopt pll technology to make sure the transmitting and receiving more reliable and stable. It's transmission frequency is 2.4ghz and it's transmission distance can reach 100 meters. The whole item is composed of a transmitter, a receiver and an ac adapter. For the power of transmitter, we use an ac adapter and for the receiver, we use three rechargeable aaa batteries(not included in our item). Please note that our receiver has rechargeable function, just plug the ac adapter in the charging jack of the receiver, the rechargeable batteries mounted in will be charged. 1.Stereo wireless listening 2. 2.4ghz 3. Preset 3 channels to avoid interference from other transmission sources 4. Rechargeable function 5.Suitable for global markets Colorful paper box
Automatic type fire extinguisher powder filler GFM8-2 powder filler is a new product developed and designed by our factory in combination with the characteristic of actual filling with reference to the advantages of its counterparts at home and abroad. Powder is rapidly absorbed into the cylinder to be filled by vacuum jet current. It is equipped with T3806 weight display of high precision and MP-T printer. The filling is automatic and quantitative. The residual dust on the filter is cleared by use of the negative pressure produced by vacuum. As it integrates electronics, electrical device and machinery into one entity, labor intensity is lowered and work environment improved
USB Phone 1 supplied stickup hook for hangup convenience 2 usb interface pnp No external power/sound card required 3 high quality for full duplex communication 4 handy, style, portable for notebook pc 5 built-in driver No need for any additional driver for windows 6 compiant with all kinds of voip applications 505*32*23cm/carton nW 5kg gW65kg Quantity 24pcs
Product spec: Cable length: 120cm(earphone cable)+30cm(connection cable) Diameter: 55mm(with silicone case) Weight: 65g(with silicone case)
Headphone Speaker:¬ª50mm; Sensitivity:100db s.P.L at 1khz Freqency response:20hz-20, 000hz Rated power:100mw Power capability:1000mw Cable length:2.5mf+0.3m Microphone unit:6·¼5mm-54dbf+3db Plug type:+3.5mm stereo Packed with gift box or molded pvc, then in carton
Earphone Color: pink /blue/silver/others Immpedance:32 ¬+ Sound pressure level:105f+3db Cord length:1.2 m Moq:3000 pcs Package:blister with paper card
IPLOO overhead headphone Mic dimensions:+¼6x5mm Sensitivity:-40dbf+3db Lmpedance :f-2.2k±+ Driver diameter:+¼40.0mm Lmpedance :32±+ Frequency response:20~20khz Sensitivity(s.P.L):110.0dbf+3db(at 1khz) Input plug diameter:+¼3.5mm Cord length:2.5meters
Wireless headset Transmit frequency:2.4-2.486ghz Modulate mode:gfsk Frequency range:2403mhz-2480mhz with frequency jump automatically. Sampling rate:32k/7.8k, sampling precision:16bit Effectyive distance:up to 20 meter Sound input impedance:1k Working voltage:5v Consume current:55ma Stero resloution:70db(typ) Frequency response range:20hz-20khz Sensitivy:-94dbm Harmonic distortion: 0.3(1w) S/n:85db(typ) Dynamic range:98db(typ) Operation temperation:-10-85¦
Bluetooth headsets Bluetooth specification:v2.0csr Frequency2.4ghz isbn band(2400-2483.5mhz) Support filehands-free&headset profile Rf output power64dbm Rf sensitivity> -75dbm Distance:within 10 metres Indicator:led (blue &red) Talk time:360minutes Standby time:160 hours Batterybuilt-in rechargeable lithiium battery Transmission powerclass 2 Audio codesingle audio Temperatureí1045¦ Audio frequency output power(rl=32ohm) 2.5mw Audio frequency range20hz22khz Charging time:2 +0.5hours Weight:17g Qty/ctn50pcs/ctn Measurement75x22x28cm(lxwxh)
Fm radio 1.can receive TV , the computer ,any such as DVD,VCD have the electron product that VF exports . 2.the head brings ,the dyadic FM reception earphones along . 3.TV sound : can appreciate the wonderful program under TV silence situation freely .
Headphone 20pcses/cartoon
Regalstar
Headphone Effective freq.Band:20hz-20khz Rated input power:10mw Directivity:omnidirectional Effective freq. Band:20hz-20khz Max.Operation voltage:10v Standard operation voltage:4.5v Blister card&binding card
Earphone Effective freq.Band:20hz-20khz Rated input power:3mw Max.Input power:5mw Poly bag
