BT313 Bluetooth-Compatible Earphones Magnetic Headphone Sport Wireless Hanging Neck Earphones with Mic for Xiaomi Red Mi Huawei

Product Properties 1.It allows you to enjoy digital music wirelessly and gamble between music and free phone calls. 2.Support audio stereo devices to receive A2DP stereo music from a laptop, desktop, smartphone or other audio stereo support device. 3.Talk time: up to 4 hours music time: up to 4.5 hours waiting time: up to 120 hours

Details of ears： Blot version: V4.1 +EDR Distance of action: 10 meters. Frequency range: 2.4 to 2.4835GHz ISM bandwidth Sensitivity: -85db MP3/WMA Loaded lithium battery: 80mAh Type: MIC stereo ears 14.2 millimeters. Rat: 32 Ω Frequency response: 20HZ-20KHZ Supply Rated: 20mW Supply limit: 115mW Microphone unit: -58dB±3dB Product size:5.35*1.35*1.05cm