brand AEC Noise Reduction wireless Bluetooth stereo Headphones earphone Headset with MIC for iPhone 5 5S for Ipad for Tablet PC Feature: Intelligent voice navigation Incoming call voice prompt Bluetooth version: V3.0+EDR Supported profiles: HFP, A2DP, AVRCP Support 3.5 mm stereo audio input Operation Range: 10 meters Play time: up to 10 hours Talk time: 12 hours standby time: 200 hours Charging voltage: DC5V/500mA Charging port: Micro USB Charging time: 2.5 hours Speaker diameter: 30mm Built-in microphone support digital signal processing echo cancellation technology Battery capacity display, support iPhone , MI and all Android mobile phone(need to install app application software)