Features:
-Support Handsfree, Microphone, FM, TF Card Slot.
-Support system: Windows98, Windows2000, WindowsXP, Windows Vista, Windows7.
-LED Indicators: to indicate power level and other working status.
-Clear, stereo, shock deep bass voice, without noise.
-Support volume up/down function, last/next song, menu key, on/off key, call button.
-Ear hook headser: No damage to hair, comfortable and Security, it will not fall off when exercises as running.
-Universal Use: it can be uesed for Computers, PC, Tablet PC, Smartphones etc.

Specifications:
-Transmission Distance: 10m
-Battery: rechargeable lithium-ion polymer battery
-Standby time: 200 hours
-Music time: 8-10 hours
-Handsfree Talking Time: 6 hours
-Charging time: 5 hours
-Operating Voltage: 3.7V
-Frequency Response: 20Hz-20KHz
-SNR: 75dB
-Dimension: 164*80*180mm
-Item Weight: 212g

Notice:
-CHARGING: when you finish using the power of headphone and charge the headphone for the first time, the indicator will light long and the red indicator will go out after fully charged.
-LOW BATTERY INDICATOR: when the power is low, the prompt will remind you to charge.

Package includes:
1 x B19 Bluetooth Headphones
1 x USB Charging Cable
1 x Audio Cable
1 x User Instructions