Sell ear headphone!

ear headphone!
Item No. : DVE9250B
Product Name: Headphone
Product Size: 9.7*6.7mm
Min Order Qty: 5000pcs
Delivery Time: 25days
Packing: PE Bag/Bliter Card
Description: Microphone
Frequence Response: 2016000HZ
Sensitivity:-54+/-3DB
Headphone Drive Unit: 27mm w/ferrite magnet
Impedance:32OHM
Frequence Response: 5016000HZ.
Sensitivity:110+/-5DB at 1.0cm 0.3V
Max Input Power:100mw
Cord length(CM) :180+/-3%
Volume control(optional) :Yes