Wireless Earbuds Bluetooth 5.3 In Ear Light-Weight Headphones Built-in Microphone IPX4 Immersive Premium Sound Headset With Charging Case Specification: Product Name:Bluetooth Earbuds Gross weight: 0.22lbs/100gPackage size:12X7.8x3.4xcm/4.72x3.07x1.33inch Charging compartment size:6.5x4.5x2cm/2.56x1.77x0.78inch Bluetooth:5.3+EDR Operating distance:10mMusical playback time:3.5 hrsCharging box chargeable times:About 3 times Battery capacity:200mAh/30mAh Features:Brass ring horn sound quality,to give you enough shocking stereo surround sound, the lossless subwoofer experienceThree-band balanced strong acoustic configuration, lossless high and low bass sections, transparent and more three-dimensional, Brass ring horn sound quality,so that the sound back to the real, clear and natural, as in the real world8mm hard-core coil, digital high-frequency decoding, high sensitivity and high resolution, strong and powerful treble, thick and full bass Upgrade 5.3 Bluetooth chip, transmission, high performance, low power consumption, improve sound qualitySmall size, light as nothing, can be worn for a long time, battery charging box is very small, carry space-savingIntelligent pairing, take out the choice of Bluetooth automatic connection, the first connection, the second time automatic pairing, take out the boot, put back the shutdownEasy key operation , fully cell phones, tablets, computers and other Bluetooth devices, support Bluetooth devices can be used Package Include:1x Bluetooth Earbuds1x Charging cable1x Specification