Item description from the seller Quick Pairing -- Adopt upgrade chip ,it make the signal transmission more smooth and provides low latency and stable connection with most device, like iOS/Android smart phones, tablets, laptops from up to 33 feets away without signal loss or music dropouts.Stable headset for cell phones. Picking up the earphone from the charging case,it will power on automatically, and then activate mobile phone function to search to connect. Dual Mic Noise Canceling Headset -- Wireless headset advanced noise canceling technology and combines 2 built-in HD microphones and high-quality speakers which can eliminate background noise without missing any single conversation details and the call sound will be more transparent.Don't worry about interruptions on listing to music or calling. 60Hrs Playtime with LED Charging Case -- Built-in 400mAh capacity charging case,the wireless earpiece with LED display make it obvious to show the battery power of the case.It can not only protect the wireless earphone from damage,but also provide 4 charging times for the wireless earpiece,which is easy to carry and charge your earphone at any time.Single 1.5Hrs charging time can be used 12-15 hours of playtime meet your needs.With the charging box, you will get totally 500hrs standby. Easily Switch & Hands Conversation -- Headset with button control operation, you can control music play/pause, previous/next track,answer/reject/end the call or wake up the voice assistant via tap on MFB button.No need to operate these on your phone.Easy to reach buttons let you enjoy real hands- of wireless for calling.With a mute function,press the mfb button for 2s during the call with a prompt''mute is on'', the other party will not hear your voice. (Not support on computers. Comfortable Fit Design -- This wireless earpiece is designed to fit in wide range of both ear shapes.Flexible rotatable ear hook and boom mic and rotates for a comfortable fit.The angle can be adjusted ly and will be worn stably. No more burden on ears even after wearing it for a long time.Eumspo earpiece are widely compatible with IOS/Android system devices and most devices. Age range description: Adult Product Description Q1: How to Pairing the headset? A1:1-Check the headset is charged; 2-Activate your device's pairing function; 3-Take out the headset from the charging case,it will pairing with each other and with a voice prompt"pairing"; 4-Use your device to search the item"G3",click to connect,there will have a voice prompt"Connected". Q2: How to adjust the volume? A2:Click the "-"button once for decreasing volume,click the"+" button once for increasing volume. Q3: How to check charging indication? A3:When the headset is charging,the light of the headset will flash. When the charging case is charging,the LED number display will flash. Warm tips: Please charge the charging case every 1-2 months when not used for long periods of time. It is recommended to gently wipe the charging pins and copper column with a cotton swab on a regular basis.Adjust position of the headset/ Clean the spring needle and copper column with a cotton swab. Never use liquids to clean the sport earphone. Otherwise, the earpiece charge unsuccessfully or even can't power on because the magnet connector is oxidized. What you will get:2 x single wireless headset;1 x charging case;1 x user manual;2 x replacement eartips;1 x charging cable.