DescriptionLooking for professional, yet affordable earbuds? Searching for sturdy, trustworthy earphones that can give you a wonderful listening experience? If yes, look no further! Our wireless in-ear earphones set must meet your needs.Features- Color: Black - Material: Plastic. - Size: 6.50X5.00X3.00cm/2.55X1.97X1.18 inch. - Upgrade chip, transmission of the sound is more stable and quick. - Noise reduction, low game playing delay. Stereophonic listening effects, clear and vivid to listen to.- Our earphones can be single or double, switch according to your will. - Intelligent touch control, very convenient and easy to operate. - Creative and practical design makes it more attractive. Light weight and portable, easy to carry and storage.Specification- Earphone battery capacity: 40mAh. - Charging box battery capacity: 300mAh. - Music time: 7-8h. - Talk time: 8h. - Speaker power: Rated 3mw, max 5mw. - Speaker size: Diameter 13mm. - Speaker frequency response range: 20-20000Hz. - Speaker sensitivity: 99db. - Impedance: 32. - Battery voltage: 3.7V. - Charging time of charging box: 1h. - Charging time of earphone: 1h. - Transmission range: 10m.