Product detailsDESCRIPTION1. We are the most reputable middleman shop "e-Sounds", please rest assured that we offer quality products.2. Guarantee product quality, after-sales warranty, return and exchange services. Bluetooth 5.0 is suitable for all mobile phones and computers with Bluetooth function (compatible with Android and IOS systems), which can ensure a stable connection; long-term use, the headset can be used for 4 hours, and the charging box is 3200mAh. The earphone box can charge the mobile phone and is easy to carry. Avoid the problem of frequent charging. Could be worn comfortably for a long time and will not cause discomfort to the ears; the earphones are waterproof. However, it is not allowed to immerse the headset in water, bathe, or swim. The three-screen digital display in the charging box displays the battery status.1. Compatible devices: all devices with Bluetooth function (IOS/Android phones, PCs/tablets).2. Bluetooth connection range: straight line within 10 meters (without obstacles).3 Power on/off method: Take out the earphone to automatically power on, put it in the earphone box for it to power off automatically.4. Precautions for product damage: Do not completely immerse the earphones in water, otherwise the earphones will be damaged. If the power of the charging plug exceeds 5V, it may cause the charging cable to catch fire and damage the headset. Steps for usage1. It is recommended to fully charge the product before first use.2. Earphone pairing: pairing steps and methods(1) At the same time, take out the headset, put it in your ear, and wait for the pairing to complete. (2) Turn on the phone's Bluetooth and connect(3) The connection can be used normally. A common problem is that the two headphones are not connected. Only one earphone can output sound. solution:1. Turn off all Bluetooth devices2. Press and hold the two buttons on the headset to reset.3. Wait for the two earphones to pair, you'll get an audio signal that it is paired.4. You can now reconnect your phone. PACKING LIST:2 Bluetooth Wireless Earbuds.1 battery compartment.1 x USB cable.1 x English manual.4 replaceable ear cushion covers.