Feature: 100% brand new and high quality Quantity: 1 With High-tech bluetooth 4.1 technology. Data transmission more faster and stable.Works with any compatible Bluetooth-enabled phones，for iPhone，for Samsung，for Blackberry，for HTC，for LG，and more. Combined with the latest technology of speech enhancement. NFC function- No need for pairing ， Easy to Connect. Bluetooth 4.1 range up to 10 meters that you can roam around office or home while on the phone. Delivers top-notch sound via its built-in noise reduction and echo cancellation，and ensure high-definition voice calls with zero distrance. Attractive ， interpretation of the lastest trends and fashion styles with LED light. With imported England CSR chip.Support to connect with two phones at the same time. Long lasting battery life:Battery lasts for over 10 hours of talk time and features DeepSleep power-saving mode when away from your phone.Package Content: Dimension: 58*16.5*18mm Cable length: 250mm Speaker size: 11mm Impedance: 32 ohm Frequency Response: 20-20000Hz Sensitivity: 110dB S/N Ratio: >=85dB Energy-efficient， power lasting:1.5 hours charging time，4.5 hours continuously talk time， 100 hours standby time.Package Content: 1 X E-3lue 4.1 bluetooth headset 1 X Data cale 1 X Transparent ear-hook 1 X Enligh & Chinese Instruction 2 X Extra Earplug 1 X Headset bag