RB-S1 bluetooth Headphone Neckband Earphone 20-Hour Playtime Skin-Friendly Stereo Sports Earbuds for Driving Business Of

Features Adopted bluetooth 5 1 chipset and high sensitivity antenna enabled devices to provide stable and fast seamless connectivity which also ensure low latency and low energy features during data transmission High Fidelity Sound deliver a crispy crystal clear sound with superb bass Built in 280mAh lithium battery up to 20 hours playtime and HiFi sound stand by time 180 days only 2 5 hours charging time Flexible ergonomic designed neckband in ear design snug and secure comfortable to wear will not cause ear swelling not fall out Built in multifunctional control it s easy for you to manage your music and phone call hands free Specification Model RB S1bluetooth version V5 1Operation distance 10mBattery capacity 280mAhMusic time about 20 hoursStandby time 180 daysCharging time about 2 5 hoursPackage Includes 1 xRB S1 Neckband Headphone1 x Charging Cable1 x User Manual