2.5mm or 3.5mm adapter stereo headphone

Popular stereo headsets with custom logo or pattern     Features: 1. Adjustable headband, double side cable headphone; 2.  Beer Caps Headphone, Promotional Headphone, Gift Headphone 3. Spacious, clear sound with deep and enhanced bass and immersiver listening;  4. Customized logo can be printed headband/ earlaps;  5. Various packaging solutions for your selection; 6. Perfect use for IPhone, Walkman, MP3/MP4 player and for iPod; 7.CE, ROHS compliant 8.Cooperated brand: Coca--cola, Motolora, Claire's, BLAIR, Becker etc       Specification:

Transducer	Neodymium/Ferrite magnet
Driver unit	40 mm
Impedance	32 Ohm
Sensitivity	103dB+/-5dB  at 1KHz
Frequency range	20Hz-20KHz
Plug type	3.5mm silver/golden plating plug
Length of cable	1.5/1.8/ 2.1M

      Material: 1. Earlaps: ABS 2. Headband: PP 3. Earmuffs:  sponge/cloth/leather 4. Cable:  PVC 5. Surface solution: normal/UV coating/rubber paint/electrofacing 6. Plug: 3.5mm 7. Logo print:  Silk printing, Water transfer printing,heat tranfer printing, Digital printing      Packing solutions: Ps: If you need more packing details, please contact us.       Other details: Sample cost is USD 0-15/PC, refundable after placing order. Sample time is 3-7 days. Production time is 15-25 days after deposit and production sample is approval.     Certificate and Factory views:     Products pictures: