BINAURAL HD CALLING: Bluetooth 5.2 earbuds use dual microphone ENC noise reduction technology to enjoy the original sound with clearer vocals, binaural calls are as clear as a face to face conversation, you can quietly enjoy the pure and beautiful sound.SUPERIOR SOUND: Your wireless headset has a high dynamic range to provide you with superior sound. Whether you're at the gym, watching a show, or connecting with others over the phone, your headphones deliver crystal clear sound. The headset uses Bluetooth 5.2 chip for smooth transmission and stable connection. Creates a space-like sense of weightlessness for continuous relaxation of the body and brain, more comfortable to wear. Wireless earbuds allow you to enjoy 13 hours of music on a single charge, and the headphones support single use with a charging compartment that provides about 50 hours of fast connected play time. Standby time up to 90 days. Sports Bluetooth earbuds are IPX5 waterproof, so you can wear them in the rain without worrying about sweat build up. Made of premium materials that grip your ears comfortably and provide a noise cancelling. GLOWING MODE: The earbuds can light up for a better visual experience, while never worrying about losing your headphones when using them at night, even on a hike, walk or other outdoor activity. Press the button 4 times to turn on the light up mode.EASY TO OPERATE: Tap the headset to cut the song, play/pause to answer, hang up the phone, summon the voice assistant, etc. Supports monaural use, automatic connection with open lid. Package List 2 x Bluetooth Earbuds 1 x Charging Compartment 1 x Charging Cable 1 x Instruction Manual Specification Item Type: Bluetooth EarbudsMaterial: ABSBluetooth: V5.2Bluetooth Protocol: Hands Free 1.6, Headset 1.1, A2DP 1.2, AVRCP 1.5Transmission Distance: Approx. 10m/32.8ftCharging Time: About 1.5 HoursStandby Time: About 90 DaysUse Time: About 13 Hours (Earbuds)Battery Capacity: Headset 100mAh Lithium ion Battery, Charging Compartment 500mAh Lithium ion Battery (Included) How to Use After the first connection to the phone Bluetooth pairing success, open the charging compartment can be automatically paired. Support one headset alone.