Excelvan C6 Wireless Bluetooth 4.1 Sports Headset Earphone Headphone Bluetooth Earpiece Sport Running Stereo Earbuds With Microphone Hands-free Call / On-cord Control / English Prompt / Sweat Resista Main features:● Hanging type, not easy to fall off● In-ear cavity structure, makes bass surging, enhances the clarity of the treble● Allows to connect with 2 Bluetooth devices at same time ( Bluetooth name: C6 )● Support play music/last song/next song/volume up/volume down● Support last phone call redial● Supports phone number voice reporting.● Supports Skype, Phone, Wechat etc. Description:This headset is designed with stylish, portable, smart appearance, as well as mighty functions. Adopted top and advanced electronic acoustic technology.Our Bluetooth headset will take you into a wonderful feast of music no matter when or where. We are devoted ourselves to create a more convenient, interesting and intelligent life for you!Specification: General Model: Excelvan C6 Type: In-Ear Wearing type: In-ear with ear hook Function: Answering Phone, Bluetooth, Microphone, Multi connection function, Noise Cancelling, Song Switching, Sweatproof, Voice Prompt Language: English Material: ABS,TPE Product Details Connectivity: Wireless Connecting interface: Micro USB Application: Running, Sport Cable Length (m): 0.5M Frequency response: 20-20000Hz Impedance: 16ohms±15 percent Sensitivity: 98dB Talk time: 8 - 10H Music Time: 5 - 6H Standby time: About 260H Charging Time.: 2H Compatible with: iPhone,iPod,Mobile phone Extended Function Bluetooth: Yes Bluetooth Version: V4.0 Bluetooth distance: W/O obstacles 10m Bluetooth protocol: A2DP,AVRCP,HFP,HSP Battery Information Battery Capacity(mAh): Built-in 75mAh Li-ion Battery Dimension and Weight Product weight: 0.0140 kg Package weight: 0.0550 kg Package size (L x W x H): 11.00 x 8.00 x 5.00 cm / 4.33 x 3.15 x 1.97 inches Package Contents:1 x Excelvan C6 Wireless Bluetooth Sports Headset4 x Earbuds1 x English Manual1 x Micro USB Cable with 30cm FAQ for Excelvan - C6 Wireless Bluetooth Sports Earbuds with Mic Why my headphones won’t chargePlease make sure both ends of the USB cable are securely connected. If you use a power outlet, ensure that the power supply is connected securely and the outlet works.If you use a computer, make sure it is connected and the USB port is powered. Turn on the headset and then turn them off. Disconnect and reconnect the USB charging cable.Why do my headphone disconnect with mobile phone within 10 meterPlease check if there is metal or any other material within relatively close range that may interfere with Bluetooth connection. Bluetooth is a radio technology that is sensitiveto objects positioned between the headphone and the connected device.Why is there no audio signalCheck if the head phones are turned off. Check if the headphone are paired. If necessary, pair the headphones with the audio source again. Check the connection of youraudio source. If the volume is too low, turn up the volume.Why can’t I use my headphones to adjust the volume or select the track on the APP of my mobile phoneApp Software settings may vary according to some functions of the App itself not depending on the phone.Why my headphones cannot pair with my mobile phone1. Please check whether your headphone is in pairing mode or reconnect mode and check whether your mobile phone Bluetooth search function is opened; 2. Check yourmobile device’s Bluetooth menu and delete/forget the headphones, then reconnect the headphones following the instructions on user manual.