Chipset: JL Communication: Wireless Connectors: TYPE-C Usage: Portable Media Player Mobile Phone DJ Gaming Sports Travel Professional HiFi Headphone Control Button: Yes Is Wireless: Yes Active Noise-Cancellation: No Bluetooth Standard: Bluetooth v5.3 Battery Indicator: LED Material: ABS Style: TWS (True Wireless Stereo) Support Memory Card: No Volume Control: Yes Game Atmosphere Light: No light Wireless Type: Other Product Name: GT02 TWS Wireless Earbuds Use: Outdoor Sports Feature: Comfortable wearing Connected as the lid is open High sound quality Maximum Working Range: 10-15 Meters Single Ear Capacity: 33mAh Battery Capacity of Charging Case: 200mAh Charging Time: About 1 hour Talk Time: 4-6 hours Music Time: 4-6 hours