Marvel's Avengers 4 EBT945 Bluetooth Headset Unilateral Sports Earplug Black widow Black

| hd voice call long painless wear | strong endurance Wireless noise reduction is endless （Endurance 4 hours ）（Weight: 8 g ）（Power display）（Bluetooth 4.1）（Multi-platform compatibility）（Multi-platform compatibility）（The noise reduction calls）（One Drive Two Design ） Power key Switch the machine on and off with one button Long press to turn on/off * When calling, international standard English number, after the end of the number Simply use YES or NO to answer or rejectBluetooth 4.1 Wireless smart High specification Bluetooth scheme, support one drag two functions, two Bluetooth mobile phone can be switched at any time, will not miss the call; and You don't have to take out your cell phone to answer the phone. Simplified operation Abandon the cumbersome The headset supports call receiving/hanging up and temporary music Stop/play, up/down switch and other functions Simple, practical, efficient and convenient!   Power key Long press: On /off (Long press: on/off) Click: Hang up. Press twice: Press twice: redia ◎ Turn on the light button ➊ volume + (volume +) The volume of a O The Next Song ◎ It's A songProduct parameters Product name: Avengers Unilateral Bluetooth Headset. Product model: EBT945 Product material: plastic Bluetooth: V4.1 Horn diameter: medium 10mm Microphone sensitivity: 58dB Impedance: 32 q Frequency response: 20HZ-20khz Charging time: 1.5h Battery: 3.7V/ 60mA