Application: Especially for gaming and sports Designed for those who value comfort in use and high quality sound. Thanks to the flexible headband used, the set can be worn comfortably around the neck. Built-in buttons so you can control the music without going to the sound source. Fully wireless headphones will give you complete freedom of movement. Microphone provides ease of conversation. Lightweight durable headphones let you take your music with you wherever you go. Powered by a built-in battery. The rechargeable battery is charged via USB cable. Specification: Application:Specially for games and sports . Bluetooth version: v5.0 + EDR Range: up to 10m Support: A2DP1.2, HFP1.6, AVRCP 1.4, HSP Charging time: <2.5H Operating time: approximately 4h Standby time: Approximately 10h Weight: 30g