Siwi Wireless Bluetooth Headphones Earphones for OPPO A37 Earphone Bluetooth Wireless Neckband Flexible In-Ear Headphones Headset With Mic, Extra Deep Bass Hands-Free Call/Music, Sports Earbuds, Sweatproof (JMD7, Multi)

INCREDIBLE PLAYTIME :: It Provides an Impressive 100 Hrs of Standby Time and About 3 Hours of Talk time and 6 – 7 Hours of Music Play Time
HIGH FIDILITY SOUND :: Designed to Let Nothing go in between you and your music. Experience Original Sound with Powerful Highs and Clear Lows . The Noice Cancelling Technology ensures Crisp , Skip Free Stereo Sound.
SPECIAL FEATURE :: Earphones are build for Sports and they are Sweat Proof and Splash Proof.
HANDS-FREE CALLING :: It Features a one touch incoming Call receive Functions from up to 30 Feet Distance. The Earphone has Song Selection , Play / Pause Function and Call Receiving Controller.