Wireless sports bluetooth headset stereo headphone for cellphone BH905I

Wireless sports bluetooth headset stereo headphone for cellphone BH905I

Product Features 
Bluetooth-enabled headphones for music and mobile conversation;
twin speech microphones  
Hear clear music and calls with multi-microphone noise cancellation for blocking out noise on planes, trains, and more
Great comfort with adjustable headband and soft supra-aural ear pads;
wear wireless or wired with a wide range of music players  
Up to 15 hours of talk time with active noise cancellation (24 hours of talk time without noise cancellation)  
What's in the Box: headset, charger, carrying case, user guide, and wide array of cables and adapters
Dimensions  
Size (LWH): 5.5 inches, 1.38 inches, 7.48 inches
Key Features   
8 microphones for cancelling the background noise and providing high quality music enjoyment as well as the luxury of silence when you need an environment to relax .  
2 microphones for capturing speech and advanced digital signal processing enabling clear communication even in noisy environments.  
Tune your wireless music with new bass booster and stereo widening audio features
Wide compatibility for using with music players at home, when travelling, or on the go--wirelessly or with wires.  
Ultra light weight with a compact travel case for maximum mobility.  
Great comfort with adjustable headband and soft supra-aural ear pads.  
Make calls from your computer with a VoIP adapter for your headset.
Specifications  
Universal compatibility with devices supporting wireless Bluetooth
Technology: Bluetooth Specification 2.1 + EDR,
Headset Profile (HSP) 1.2,
Hands-Free Profile (HFP) 1.1,
Advanced Audio Distribution Profile (A2DP) 1.2 and Audio/Video Remote Control Profile (AVRCP) 1.0  
Wired connectivity: Compatible with 3.5mm headset jack inputs  
Speaker drivers: 32mm high performance drivers  
Frequency response: 15Hz to 20k Hz  
Battery: Li-ion Polymer Rechargeable Battery 600 mAh  
Operating time: 24 hours of talk time; 25 hours of music playback; 15 hours of talk time with active noise cancellation; 16 hours of music playback with active noise cancellation; 40 hours of wired music playback  
Charging time: 2 hours  
Standby time: 600 hours (25 days)