These true wireless earbuds deliver crystal clear stereo sound through advanced Bluetooth 4.2 technology and CVC 6.0 noise cancellation. The ergonomic in-ear design includes three sizes of ear tips for a secure, comfortable fit during workouts, commutes, or daily activities. Each earbud features a high-sensitivity microphone for hands-free calling and deep bass audio performance. The IPX4 water-resistant rating protects against sweat and light rain, making these earbuds ideal for active lifestyles. The included 300mAh magnetic charging case provides convenient storage and recharging on the go. Each earbud offers up to 5 hours of continuous playback on a single charge, while the charging case extends total usage time significantly. The earbuds can be used individually in single-track mode or together in stereo mode for full wireless freedom. The compact 20mm diameter design ensures a low-profile fit that stays secure during movement. This product contains chemicals known to the State of California to cause cancer or reproductive harm under Proposition 65. The earbuds connect via Bluetooth with a transmission range of up to 32.8 feet and feature a 7mm driver unit for balanced audio. The charging case measures approximately 1.93 by 1.26 by 1.42 inches and recharges the earbuds in about one hour.