Description:
This magnetic headset lets you enjoy great sounds on-the-go. Comfortable and snug fit make sure the headset stays put when you are out running, jogging or exercising. When you are done with your music, simply attach the headphones together and wear like a necklace. 

Features:
Built-in magnets let you attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around when you don't need them.
Comfortable in-ear design, snug and secure, make sure the headset stay put and your music stays smooth when you are running, cycling, exercising and doing other activities.
Bluetooth 4.0 technology; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Provides pure, high quality sound for compatible devices.
Up to 6 hours of continuous talking time, or up to 4 hours of music time, or up to 30 hours of standby with a single charge, so you have less time charging and more time doing.
Report calling number; voice prompt; show electricity quantity of this earphone when connecting for iOS deices.

Specifications:
Color: Black, White (Optional)
Bluetooth version: V4.0
Bluetooth protocol: A2DP / AVRCP 
Output power: 10mw
Effective distance: 10m (barrier-free space)
Working time: About 6 hours of talk time; about 4 hours of music time
Standby time: 20-30 hours
Charging time: 1.5-2.5 hours
Charging voltage: DC 5V 300mA
Drive: 10mm
Sensitivity: 110dB + -3dB
Impedance: 16Ω + -15%
Frequency response: 20-20000Hz
Line length: About 60cm / 23.62in
Package weight: 85g

Package List:
1 x Bluetooth Headphone 
2 x Pairs of Ear Tips 
1 x Pairs of Ear Hooks 
1 x Charging Cable 
1 x User Manual