Bluetooth headphone S99 Specifications :

Bluetooth Technology : V4.1 , IC BK3254

Operation Range : 33 ft

Playback Time : 6 Hours

Battery : 300 mAh, Rechargable

Charging Port : Micro USB

Speaker Diameter : 40 mm

Frequency Response : 20 Hz - 20 kHz

Impedance : 32 Ω

Built-in Microphone : Yes

TF Card Slot : Yes

Bluetooth headphone S99 Specifications :

Bluetooth Technology : V4.1 , IC BK3254

Operation Range : 33 ft

Playback Time : 6 Hours

Battery : 300 mAh, Rechargable

Charging Port : Micro USB

Speaker Diameter : 40 mm

Frequency Response : 20 Hz - 20 kHz

Impedance : 32 Ω

Built-in Microphone : Yes

TF Card Slot : Yes

Built-in FM Radio : Yes

Headphone Color : Black, Gray, Red, Blue, Yellow, China Red

In the Box : Headphone, Charging Cable, User Manual