Specification:

Model: BH-M20C
Standard Convention/Signal: Bluetooth v4.1
Frequency: 2.4GHZ - 2.4835GHz, ISM Band Bluetooth
range: 30 ft RF Sensitivity: ≥ -75dBm Power supply: DC 5.0V 100-240V AC adapter Worling volt: 3.7V
Battery: rechargerable Li-Ion battery
Talking time: up to 12 hours
Standby time: up to 250 hours

Package include:

1 x Bluetooth 4.1 Headset with Mic
1 x USB Cable
1 x User Manual

• Blocks 4 times the external noise, Noise canceling Crytal clear sound with DSP
• Touch-button call answer / end and redial, Touch-button volume control
• Built-in microphone, Allows clear communication, and music and calls can be easily controlled
• Compatible with most bluetooth moile phones, Micro USB port for recharging the built-in battery
• Longer Battery Life: Built-in high-quality rechargerable Li-Ion battery which can offer you Long Talking Time and Standby Time Note: since it is a wirelless bluetooth headset, no background music can be heard when you are playing games on PS3. However, as has been optimized for PS3, it has a high sound quality when you listen to music on PS3

Blocks 4 times the external noise, Noise canceling Crytal clear sound with DSPaokur