COTSUBU MK2+ CREAM Opened only, new and unused. Model Number: TWS09R Color: CREAM Quoted from the official website: Extremely small design at 3.5g per side, doesn't stick out from the ear Achieves high sound insulation with a deep fit design More convenient with the addition of multi-point connectivity IPX4 waterproof Bluetooth wireless earphones, COTSUBU MK2+, cream color. Continuous music playback time Earphone unit: Up to 5 hours With case: Up to 20 hours Charging time Earphone unit: Approximately 1.5 hours Case: Approximately 2 hours Waterproof performance IPX4