Golvery G03 open-ear headphones was designed for kids and adults. With skin-friendly soft silicone material and memory titanium alloy material, it can be 360° bendable without deformation, features flexibility and durability. It is the latest bluetooth V5.3 with ENC noise cancelling microphone for Kindle/iPad/ Tablets/Smartphones/Chromebook/MacBook/PC, etc. Why choose Golvery G03 kids headphones? Open-ear design, safer for kidsComfortable & durableUltra light weightBluetooth V5.3ENC noise cancelling MicHi-Fi stereo sound qualityIPX5 waterproof10 hours playtime Specificaiton: Bluetooth Version: the latest V5.3Operation Range: 10m/33ft without obstaclesBluetooth Profile: HSP/ HFP/ A2DP/ AVRCPAudio Codec: AAC/ SBCBattery Capacity: 90mAh/ 3.7VCharging Time: 1.5HStandby Time: 200HWorking Time: 10H (70% volume)Wight: only 13g The open-ear design allows you to listen to music while also being aware of surrounding to prevent potential danger, more safer for children. It only weights 13g, with high-quality skin-friendly soft silicone material, ultra-light and compact, comfortable fit for children. G03 adopts memory titanium alloy material, 360° bendable without deformation, features flexibility and durability. With the latest Bluetooth V5.3 technology, it provides faster and more stable transmission, offers Hi-Fi stereo sound quality. The built-in MIC with ENC algorithm noise reduction, reduces surrounding noises to brings you a crystal-clear call. It will take 1.5 hours to fully charged, and it can last for about 10 hours playtime and supports 200 hours standby time.