Bluetooth Profile: A2DP/HFP, HSP, AVRCP, GAVDP, AVDTP Receive sensitivity: 84±3dB Impedance: 10 Ω ± 15% (AT 800 HZ) Frequency range: Fo-20KHz FM: No Charging using the USB interface: for 1.5 hours TF card: No System language: English tips Indicator status Red light flashes quickly: low battery warning Steady red light: charging Blue light is always on: fully charged Blue and red alternately flash: BT match Blu-ray double slow flash: no match, maybe the device is powered off, or the distance between the two is more than 20m. The blue light flashes slowly: match/dial/play audio. Basic operation Operation control prompt tone Answer the call Click the multi-function button once End the call Click the multi-function button once Reject the call, press and hold the multi-function button for one second. Call long press the multi-function button for one second Switch songs: Press and hold the volume button "+" "-" once Volume control: Click the volume button "+" "-" to make the volume smaller and larger Play/pause phone music Press Multi-Function Open and press the Power button for 3 seconds. Prompt/powe on Close Press and hold the Power button for 3 seconds. Prompt/powe off Bluetooth disconnected Bluetooth connection Clear the match. Turn off the power and press the Power button for 6 seconds. Low battery Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.Description:Designed for sport wearing, the newly upgraded Bluetooth earphones adopt soft and flexible material so that you will rarely feel the ear headphone exists and no pain.The Bluetooth headset is effective to insulate most environmental noise and provides you a comfortable wearing experience, adopting physical sound insulation.The product is made from safe and high quality material.The length of the product is 15cm, the width of the product is 15cm, the height of the product is 3cm.The Bluetooth earphone is suitable for home use, sports use, sleeping, party etc.Item Name: HeadsetMaterial:ABSBluetooth Receiving Distance: 10mPower Interface: USB ChargingSize:15cmx15cmx3cm/5.91inx5.91inx1.18inNotes:Due to the light and screen difference, the item's color may be slightly different from the pictures.Please allow slight dimension differences due to the manual measurement.Package Includes:1 X Headset1 X Charging Cable
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