Audio-Technica ATH-CKS5TW (Wireless Earphones, Bluetooth Compatible) True Wireless Earphones Bluetooth 5.0 Deep Bass Approximately 45 Hours of

Technically certified product (frequency band: 2.4GHz). An innovative 15 hours of playback on a single charge, or 45 hours with the charging case. Compatible with Qualcomm TrueWireless Stereo Plus (firmware version 2000 or later) for robust sound dropout resistance and low latency. Supports auto power on/off. Newly designed truly wireless earpieces. Compatible with the Connect smartphone app. Firmware updates are also possible. Country of origin: Japan