Features:1. The unique smart digital display can easily check the capacity, and the equipped charging cable and charging compartment are faster and safer.2. High-quality sound, bring unique sound quality enjoyment.3. Using Bluetooth 5.0 technology, compared with the previous Bluetooth V4.2 wireless earplugs, your transmission speed is almost 2 times faster, the connection is more stable, and there is no signal loss or music loss. The maximum link distance is 33 feet.4. It is very simple to use, you don't need any skills to use our true wireless earplugs. The first step-open the charging box. Step 2-Turn on the Bluetooth of the phone and select R22.5. Light weight and easy to carry, you can use it anytime and anywhere to enjoy life.Specification:Product name: R22TWS true wireless waterproof noise reduction bluetooth headsetProduct color: black, whiteProduct material: ABSBluetooth: 5.0Bluetooth protocol: HSP, HFP, A2DP, AVRCPHeadphone battery: 35mAhRechargeable battery: 300mAhCharging interface: MIRCERWorking voltage: 3.7VCharging time: about 1HLife time: about 3-4HStandby time: 100HSingle earphone weight: about 5gBluetooth connection distance: about 15mWaterproof rating: IPX7Package weight: 70gNote:1. Before using for the first time, please fully charge the wireless earbuds.2. Due to different camera equipment and monitors, the actual color of the product may be different from the photo, please refer to the actual product.Package Contents:Wireless earplugs*1 pairPortable charging box*1USB charging cable*1Paired earbuds*2 (wireless earbuds are equipped with a pair)Manual *1