Original Inner Earphones for Vivo High quality Earphone For smart phones. Standard 3.5mm earphone plug fits all MP3 players with 3.5mm jack. With the function of answer phone, listen to music for all vivo phone Compatible With all smart phones with standard 3.5mm jack. High quality, deep bass sound and nice package, excellent for retail. Noise Cancelling, good for listening RAP&music. Technical Specification 1.Cord length: 1.2m 2.Plug:3.5mm,4pin, stereo 3.Vivo Original Inner Earphone