Features
It’s compatible with the devices which support Bluetooth function.
High quality sound and popular DJ shape design
Unique around-the-neck design that's lightweight and comfortable for all-day use
Allows you to conveniently answer calls or listen to music
Extra soft cushions for superb comfort and acoustics
Supports LCD Display, TF card reader and volume adjustment.
First-class sound insulation
Supports bluetooth V3.0 with control
General Specs 
Brand&ModelBlue Scenory BS-862
Speak diameter40mm
Impedance32 ohm
A microphone head
size
2x4mm
DirectionMulti azimuth
Sensitives—42dB
Headset socket3.5mm plug, compatible with iPhone Interface
Frequency response
range
20Hz-20KHz
The maximum power
dissipation 
25-30mA
Working voltage3.4-4.2V
DistortionLess than 0.2%105dB(20PA)
Channel differenceLess than or equal to 1dB(at 1000Hz)
Package Details Weight: g
Size: cm