| Bluetooth Version | Bluetooth cordless technology version 1.2 compliant | 
                           
                             | Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), AVRCP, Headset, and Hands-free Profiles | 
                           
                             | Effective Distance | Up to 10 m (30 feet) in open space | 
                           
                             | Frequency Band | 2.400~2.4835GHz unlicensed ISM band FHSS | 
                           
                             | Receiving Sensitivity | -80dBm BER 0.1% | 
                           
                             | Output Power | Class 2 | 
                           
                             | Antenna | Build in Antenna | 
                           
                             | Buttons | Power/Pairing, Vol. Up, Vol. Down | 
                           
                             | Power supply | Rechargeable Lithium-Polymer battery (Music playback 6.5 hours; Standby 180 hours) | 
                           
                             | Headset Interface | Audio Stereo Jack 3.5mm | 
                           
                             | Environmental Range | Operating temp.:- 10°C to + 55°C; Humidity: 0~95% | 
                           
                             | LED Indication | Power, RF Activity | 
                           
                             | Bundled KIT Interface | Stereo Adaptor: 3.5mm audio connector (for BH-Q395T); V2.0 EDR Adaptor: USB A type connector (for BH-Q395D) | 
                           
                             | Weight | 20 grams for Stereo headset; 15 grams for stereo adaptor; 10 grams for EDR Adaptor | 
                           
                             | Certificate | CE/FCC/BQB | 
                           
                             | Casing Color | Black or White | 
                           
                             | Accessories | User's guide, Power Adaptor, earpiece, Neck Strap, Optional stereo adaptor for BH-Q395T or EDR Adaptor for BH-Q395D |