Features: -Built-in rechargeable battery, a full charge can provide up to 40 hours of use. -Ergonomically designed to fit the contours of your ears for all-day wearing comfort. -It is waterproof and can adapt to any weather conditions. -With noise reduction and intelligent ambient technology, you can get excellent sound quality and enhance the comfortable listening experience. Specifications: Color: black Style: In-ear Sensitivity: 120+5dB Impedance range: 16Ω Waterproof: IPX4 Bluetooth: 5.2 Package Included: 1x Pair of earphones 1x Charging case .
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