-This product features Lenovo's newest gaming earbuds design for 2023, with a top-of-the-line gaming chip and the ability to switch between music and gaming modes for synchronized sound quality and low latency. -It also boasts Bluetooth V5.3 compatibility, making it suitable for most Bluetooth devices and offering lower power consumption. -The ENC call noise reduction effectively suppresses environmental noise, and the earbuds can be used independently in single or binaural mode, with no restriction on master-slave switching. -Other specifications include a 10 mm speaker unit, 40mAh battery capacity for up to 5 hours of usage time, 1 hour charging time, and a frequency range of 2.402-2.480KHz with a transmission distance of up to 10 meters or 33 feet. -The charging case has a battery capacity of 350mAh. -Included in the box are 2 Bluetooth earphones, a charging case, a