<b>Cshidworld True Stereo Wireless Earbuds is the leader of fashion trend.</b><br> - Upgraded Bluetooth 5.0 and CVC 8.0 Noise Cancelling technology to enjoy clear fidelity phone sound.<br> - Latest One-step pairing technology and One-button operation.<br> - Charge on the go with portable wireless charging case ensure all day playing time.<br> - Ergonomic design for almost everyone's ears. Lightweight for long hours wear with no pain.<br> - Compatible with all bluetooth-enabled device.Both or single use as your need.<br> - IPX5 WATERPROOF / SWEATPROOF ROTECTION.<br><br> <b>Q: How to connect both earbuds to your phones?</b><br> A: For initial use, open the charging case and take out the earbuds,they will automatically power on and pair to each other. (Voice Notice: Power on --->TWS Connected --->Pairing) ; Open cellphone bluetooth and set it as open detection, when “M10" appears in available devices, press to connect. The LED flash in Blue continuously. (Voice Notice: Connected)<br><br> <b>How to Operate Function Button?</b><br> Pick Up Call: Press your earbuds function button once<br> Reject Call: Press the function button twice to reject calls<br> Play/ Pause: Press function button once while playing<br> Previous Song: Press and hold 2s for Left earbud button<br> Next Song: Press and hold 2s for Right earbud button<br> Volume +: Press function button of Left earbud twice<br> Volume -: Press function button of Right earbud twice<br> Activate Siri: Press function button three times<br><br> <b>Features</b><br> Bluetooth Version: V5.0+CSR<br> Working Distance: within 33ft/10M<br> Music Playtime: 5 hours<br> Standby Time: about 30hours<br> Battery Specs: li-polymer 3.7V, 55mAh<br> Charging Time: about 1.5H<br><br>