Color:Black Whitelabel AncStudio, featured with Bluetooth 4.0 and Active Noise Cancelling (ANC) technology, to deliver you crystal clear and high-fidelity sound while blocking outside noise allowing users to enjoy the music. The battery lasts up to 12hrs. Even if the headset is out of battery, you can plug them in with the 3.5mm audio cable and use it as wired headphones! Product Features *Bluetooth 4.0 stereo headphones for wireless music steaming. *Active Noise Cancellation bluetooth headphones, satisfy your quiet requirement during life, travel, work *High-fidelity stereo sound quality with aptX codec. *Long music time-up to 12hrs. *Easy one touch pairing with NFC technology. *Additional audio line input, for use when battery is low. *Never miss a call - auto switching between music and calls. *Ultra-soft over the ear pads with adjustable headband. *Gaming and chat and VoIP (Skype, MSN, etc) Specification *Bluetooth V4.0 with EDR (CSR 8645 chipset) *Active Noise cancellation technology (ANC) *Supports profiles: headset, handsfree, A2DP, AVRCP *Operation range: Class 2, 10 meters *Up to 12 hours music time *Frequency Range: 2.4 GHz *Bluetooth Range: Up to 30 feet *Charge time: 2-3 hours What's in the box? *Whitelabel AncStudio Bluetooth stereo headphones *Micro USB charging cable *3.5mm audio cable *User manual Warranty The Whitelabel AncStudio is backed by our 1 year warranty. Please contact us via email if you have any questions.