Bluetooth Sports Headphones Wireless Earbuds Bluetooth In Ear Light-Weight Headphones Built-in Microphone Immersive Premium Sound With Charging Case Specification: Product Name:Bluetooth Earbuds Material: ABS Gross weight: 120g/0.40lbs Product size: 7.8x5x2cm/3.07x1.97x0.79inch Package size: 15x7x4cm/5.91x2.76x1.57inch Bluetooth version:5.3 Battery capaticy:400/50 mAH Features: No latency listening Hanging ear using Bluetooth version 5.3 power consumption is reduced the use of time becomes longer. Transmission speed is enhanced the transmission is more stable reduce the delay problem Aactive noise cancellation can effectively suppress 99% of the reverse environmental noise thus reducing the environmental noise up to 40dB above so that gamers can be more free voice communication Ear hook design wear solid no-drop soft silicone ear hook self-adapted ear with different sizes of ear buds more comfortable for both ears Larger sound cavity wonderful volume output 10mm speaker large diaphragm moving coil unit built-in AAC advanced audio decoding efficient Bluetooth lossless transmission high school bass three frequency mainstream devices with Bluetooth can be connected cell phones tablets laptops and other mainstream Bluetooth devices support a variety of system s Package Include: 1x Bluetooth Earbuds 1x Specification 1x USB cable