Heavy Duty Noise Cancelling Helmet Headset

Product features: Driver unit: , 40mm x 2 Impedance: 32 Sensitivity: 98 4db s.P.L at 1khz Response (system): 20hz~20khz Rated power: 20mw Power supply: lithium battery/dc 5v Built-in 400mah rechargeable battery Plug type: micro usb Unique selling point: Bluetooth version: v3.0 Anc optional: significant noise reduction at 16db Support: hsp, hfp, a2dp, avrcp profiles Bt transmission distance: 10-15m Built-in microphone for calling function Soft headband & ear pad to bring comfortable wearing Unique & fashionable design Clear & powerful sound Support aux in function

1.Noise concelling bluetooth headset . 2.Stereo Surrouding Audio, Bulit-in Microphone. 3.Foldable and adjustable neckband . 4.Transfer a call between the mobile phone and the headset. 5.Power re-charged ! 6.Milti-color for your option: black, red, blue,green.,grey, white. Brand Name: OEM or techcool Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone, Mobilephone, cellphone, computer, Ipad, MP3, PS3 Function: Bluetooth, Microphone, Noise Cancelling Place of Origin: Guangdong, China (Mainland) Color: Black, Silver Sound mode: Stereo bluetooth protocol: A2DP HSP HFP AVRDP Distance: 20m bluetooth Version: 4.0 color: black with silver Rated voltage: 4.5VDC working time: up to 12 hours Stand by: 180 hours material: aluminum+plastic Button functions:V- /next music/V+/previous music /pause/play Bluetooth protocol standards:Bluetooth V4.0+EDR Button functions:V- /next music/V+/previous music /pause/play Receiver distance:10m / 360�° Battery:3.7V/110mAh lithium-ion battery Charging time:Less than 2.5 hours Successive working time:About 3 hours Standby time:120 hours Speaker diameter:�¦10mm Impedance:16�© S.P.L:106dB S.P.L.at 1KHz MIC type :Capacitive Microphone Unit:4*1.5mm Frequency Response:20Hz-20,000Hz

CS12 PA noise cancelling telephone headset OEM

Jh-301 noise cancelling headphone Jh-301 noise cancelling headphone could offer you a private space far away from noise outside, which is popular nowadays for mp4, ipod, psp users in noisy environment like airline, subway, highway etc. 1. Active noise cancelling technology to enhance the power of noise filtering. 2. Block the external noise to offer a superb listening experience. 3. Foldable design, convenient for traveling users 4. Driver unit: 40mm dynamic speakers 5. Impedance : 32 ohm ía10% 6.Frequency response : 20hz - 20k hz 7. Reduction level:>12db at 300hz 8. Sensitivity: 102db at 300hz 11.Cord length: 1.5m 12.Plug: 3.5mm stereo plug 13.Power requirement: 2 íß aaa batteries Colorful paper box

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

Brand Name:Chengde Model Number:E7 Style:Ear Hook Communication:Wired Connectors:3.5mm Use:Portable Media Player Function:Noise Cancelling Place of Origin:Guangdong, China Cord Length:Dongguan Waterproof Standard:IPX-2 Active Noise-Cancellation:No Material:Protein Leather+memory Foam Package:Poly Bag Colors:Black or customized Logo:Customized Logo Welcomed Usage:replacement pads

Item no.: cmth-24 Product name: pink crystal rhinestone dj hi-def noise-canceling over-ear headphones Material: abs+ rhinestone Fashion style headphone with crystals, each stone placed by hand piece by piece. No machines are used. Various stones colors, size, logo and packing are all available Each package in gift box 24pcs per carton

Next getneration of Augmened reality is here with this brand new headset from Magic Leap