Item-Features:-4.0 smart chip,Efficient transmission speed -Compact, ultra Light Design Stereo Bluetooth Headset, Portable And Easy To Carry -High-fidelity sound quality, Wireless songs enjoy -Voice report number, low power remind,Connect/disconnect remind,Boot off prompts -Allows you to conveniently answer calls while driving -Long battery life, fast charging -Support WeChat, QQ voice calls,movie -Bluetooth V4.0, Superior CompatibilityCompatible For Almost All The Mobile Phones And Tablet PC, etc. Specifications: -Drive: 40 mm -Impedance: 32 OHM -Bluetooth version: Bluetooth v4.0 + EDR -Power Level: CLASS II -Output Power: 30mW -Bluetooth distance: 10 meters barrier -Frequency response: 20-20000 Hz -Operating voltage range: 3.0V-4.2V -Microphone sensitivity: -42dB -with A2DP / AVRCP high-quality stereo audio transmission and remote control protocol -Powerful noise noise cancellation circuit (Active Noise Reduction) -Wired and Bluetooth automatically switch to support audio input -Charging time is about 1 hour (power indicator Charging: blue light lights, fully charged: blue light goes out) -Dimensions: 28*15*18mm/1.1*0.59*0.7" -Talk time About 4 hours -Music for about 3 hours -The standby time is about 3-4 days -Charging Power: DC5V Power Interface [the hole] (computer USB port, mobile phone charger, car charger) -Compatible: Compatible with Android, Apple, Microsoft, Symbian 99% of with Bluetooth cell phones(IOS cell phone has power display) ------------------------------------------------------- Package Including: 1x earbud 1x manual 1x charging USB cable
