Description:Adopted Bluetooth 5.0 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 200MAH lithium battery, up to 15 hours Playtime and HiFi Sound, stand-by time 120H, only 1.5 hours charging time.Clip the magnetic earpieces together to secure them around your neck & avoid losing themFlexible ergonomic designed neckband, in-ear design, snug and secure, comfortable to wear, will not cause ear swelling,not fall out.With Card Slots, Can Listen to Songs without a Mobile Phone (cards need to be bought)The exterior uses nano-coating waterproof material protects the headphones from rains or sweat throughout intense exercises. Just enjoy your time when running, jogging, cycling, or in the gym & office.Built-in multifunctional control, it's easy for you to manage your music and phone call hands-free.Specification:Model: G15Bluetooth version: V5.0Operation distance: 10mBattery capacity: 200mAhMusic time: about 15 hoursCharging time: about 1.5-2 hoursCharging interface: Micro USBCharging voltage: 5VLength 25cmPackage Includes:1 Piece Bluetooth Earbuds