Color:Black Description:Features:100% brand new and high quality.A stylish, great-sounding sports headphone.Five colors for optional: Black/Red/Blue/Green.Bluetooth V3.0+EDR works with almost all the mobile phone, tablet PC, notebook, any devices with Bluetooth function.Support Micro TF card play directly and support FM radio.Supports MP3 WMA WAV ASS APE formats.Extremely comfortable and secure for the most mobile of users, bicyclist, runners, joggers, walkers etc.With built-in polymer Lithium battery, can play up to 5 hours.Specifications:Item Type: Sports Bluetooth HeadsetModel: BS19CMaterial: ABSColor: Black/Red/Blue/Green (Optional)Directional: Multi azimuthBluetooth version: V3.0 + EDR Operating distance: about 10 metersSpeaker: Ф13mmImpedance: 32 OhmSensitivity: -42dBFrequency response: 20Hz-20KHzMax power dissipation: 25-30mACard support: 8GB(Max) TF/Micro SD card (Not included)Battery type: built-in rechargeable lithium battery Working voltage: 3.4-4.2VChannel difference: ≤1dB(at 1000hz)Mini USB charging portQuantity: 1 Set (other accessories demo in the picture is not included)Note: 1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:1 X Sports Bluetooth Headset1 X Mini USB Charging Cable
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