* bluetooth version: V3.0 + EDR * support agreement: HFP, A2DP, AVRCP * support 3.5 mm audio input * range: more than 10 meters * music play time: 15 hours * talk time: 25 hours * standby time: 200 hours * charging voltage: DC5V / 500 ma * the charging port: Micro USB * charging time: 2.5 hours * trumpet diameter: 30 mm * built-in microphone, support of digital signal processing echo cancellation technology * Power display,support iPhone, millet, and all the android mobile phones (cell phone need install app application software ).
* this model is compatible with iPhone, iPod, iPod, HTC, Samsung, LG all mobile phones, tablets, laptops and so on audio output interface of the device.