Original Lenovo EA305 Ear-mounted Digital Display True Wireless Bluetooth Earphones(Black)1. Ergonomic design, no feel ear hanging style, light and comfortable 2. 360 degree panoramic sound, clear and rich sound quality, immersive experience 3. Adopt Bluetooth V5. 4 solution, dual mode dual decoding, low latency, more stable connection 4. Equipped with 500mAh large capacity charging case, long lasting battery life 5. Smart touch, touch to manage playback, faster to use 6. IPX5 level rain and sweat proof structure design, no fear of sweat