A4 Wired Earphone Dual Driver 3.5mm Port Bass Stereo In-Ear Sports Waterproof Earphone (Four-loudspeaker Version) - Black

The wired earphone uses two moving circles technology, four loudspeakers for loseless sound quality. Sound insulation and 3.5mm plug, it is comfortable to wear to enjoy stereo music.

• Two moving circles in the same direction technology, and four speakers make sound at the same time, loseless sound quality

• Air pressure balance design can eliminate four diaphragm resonances loss of air pressure eardrum

• 60 degree angle in ear, painless comfortable wearing, will not fall easily

• Sound leakproof metal rear cover, sound insulation to immerse in music world

• Skin-friendly elastic thread, strong tensile force, no knotting

• Humanized wire control design, call, music and volume easily switch

• 3.5mm plug, suitable for most mobile phones, tablets, MP3, MP4, etc.

Specifications:

• Material: Plastic + TPE

• Type of Headphones: In-Ear

• Impedance: 32?

• Phone Sensitivity: 99dB/mW

• Frequency Range: 20-20000Hz

• Plug Type: 3.5mm Straight Plug

• Driver Unit: 2BA+1DD Hybrid Drive Unit (Dynamic Compound + BA Compound)

• Microphone: with Microphone

• Cable Length: 1.2m