Havit S3 Merle Lite In-Ear ENC Call Noise Reduction Wireless Bluetooth Earphone(Blue) Filter-Special Car Holders the back is full of

the back is full of curvature

the sound quality is delicate and no noise

1/7/Vista/XP and MacOSx

Size 60*60*18mm

One key to automatically center

Havit S3 Merle Lite In-Ear ENC Call Noise Reduction Wireless Bluetooth Earphone(Blue) Filter-Special Car Holders the back is full ofFeatures: 1. ENC noise reduction technology, dynamic filtering, reducing environmental noise 2. 0. 06s low latency game mode, sound and picture synchronization 3. The left and right earphones have built in independent chips, which can be used independently and seamlessly switch between left and right 4. Imitation ear arc curve design, fits the ear canal, stable and not easy to fall 5. Intelligent audio decoding technology, using high resolution audio