DescriptionAre you looking for a professional, yet affordable wireless earbud? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional wireless earbud must meet your needs. It is one of the best choices for you.Features- Color: Black - Material: Plastic and electronic components - Size: About 7.00X3.60X3.00cm/2.75X1.41X1.18in - Standby Time: 30h. - Battery Capacity: 280mAh/40mAh. - Transmission Distance: 10 Meters. - Wireless Frequency: 2.4GHZ. - Charging Voltage: DC 5V. - Earphone Charging Time: 1.5h. - Capacity of Charging Tank :300mAh. - Listening Time with Both Ears: about 15 hours. - Charging warehouse for single earphone charge times: 6-7 times. - Charging warehouse for double earphone charge times: 3-4 times. - Made from premium material, durable to use. - Skin friendly material with ergonomic design, to the ear, make wearing more stable and comfortable without swelling and pain. - Upgraded charging warehouse, providing long-term endurance. - With waterproof technology, no need to worry about water and sweat anymore. - Wireless headphones, deliver an audio listening experience with clarity.