TWS headset "EQ4 Graceful" air conduction - HOCO

True wireless stereo headset. Air conduction technology. Hanging on ear design, opened ears. BT v5.3. Use time 12 hours. Standby time 300 hours. EQ4 Graceful, air conduction TWS headset, BT v5.3, charging case battery 500mAh, headset battery 110mAh, 12 hours of use and 300 hours of standby