Built in HD and Sensitivity microphone. Idea for in car calling or working use. Perfect for Stealth Listening or watching at work.ect for Stealth Listening or watching at work.
Feature: With the use of Mini Wireless Bluetooth 4.0 Stereo In-Ear Headset, we can talk, listening to music Built-in DSP audio processing system, can be a very good eliminate Noise and echo, to ensure clear communication, and music. 2 in a row, to the telegraph, voice prompt operation. Small and light, stealth design. Spescification: Bluetooth version:V4.0 + EDR Bluetooth profiles:Hands free / Headset Radio frequency:2.402-2.480GHz Transmission power:Class2 Support A2DP:music playback (audio output: 35mW, Play / Pause) Multi-point connections can be connected to two one with two Bluetooth devices simultaneously Transmission range:10 m Charging Power:AC input 110-240V DC output 5V (charging time / about 2 hours / charging voltage 3.7v) 4 hours talk time (music playback three hours / standby time 120 hours / working current <15mA) Intelligent voice prompts prompted the state of equipment / to cable Noise MIC:special top silicon Marks Wearing styles:Ear / Stealth headphones patented product Battery type:50mA rechargeable lithium battery