Unique ring-necked design, no worry about falling off.
Built-in microphone enables hands-free calls.
Button control: easy to control volume, tracks and calls.
Loudspeakers: with loudspeakers, it can work as a speaker.
Sweat resistance: born for sports, free to enjoy music and make calls.
Magnetic suction: you can wear the headphone on the neck when in no use.
BT working range: 10m
Frequency responce: 8-25000Hz
Battery capacity: 400mAh
Working time: up to 5 hours (headset); about 3 hours (loudspeaker)
Standby time: about 120 hours
Charging time: about 2 hours
Charging voltage: micro USB 5V
Color: Black with Grey
Headphone size: 18.2 * 16.3 * 1.5cm / 7.16 * 6.41 * 0.59in
Headphone weight: 55g / 1.97oz
Package size: 21.9 * 19.2 * 3.3cm / 8.62 * 7.56 * 1.29in
Package weight: 306g / 10.82oz
1 * Headphone
1 * USB cable
1 * Pairs of Earmuffs
1 * User Manual