The UGREEN HiTune H5 (Model WS201 / SKU 15612) are wireless true wireless stereo (TWS) semi-in-ear earbuds Key Specifications & Features • Audio Drivers: 13.6mm bio-diaphragm dynamic drivers for balanced sound. • Bluetooth: Version 5.3 with AAC and SBC codec support (range up to 10 meters / 33 feet). • Calls & Mic: Dual-microphone system per earbud with AI-driven noise reduction. Battery Life:• Up to 6 hours of continuous music playback on a single charge • Up to 26 hours total with the USB-C charging case (35mAh earbuds / 400mAh case)