Head-mounted Bluetooth Wireless Mobile Phone-Black

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Head-mounted Bluetooth wireless mobile phone music foldable running subwoofer stereo headset Bluetooth.Product Features:Volume +/-, up/down song switching, answering calls, mode switching, EQ switching, Retractable design, comfortable earmuffs, one-key answer  Features:1. Insert card MP3 function, support up to 128G TF memory card2.FM stereo radio3. Hands-free calling4. Bluetooth plug-in dual-use (Bluetooth can be plugged in when the power is off), 3.5mm audio interface
Product type: Bluetooth headsetWearing method: head-mountedFunctional use: wireless headset, voice headsetBluetooth version: V5.0Support Bluetooth protocol: A2DP, AVRCP, HFP, HSPFrequency response: 20Hz-20KHzSignal to noise ratio: 70dbBattery capacity: 200mAH lithium batteryCharging port: Mini 5-pin micro usb interfaceTalk time: about 3 hours (maximum volume)
What's in the box: 1*earphones1*USB charging cable
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