Joyroom JR-TL8 is Waterproof True Wireless Earbuds. Here used New Generation of Bluetooth V5.0 Chip. This Earbud is featured with Dual speaker & HD Voice Noise resistance, High-speed transmission, IPX5 waterproof. The Joyroom JR-TL8 comes with Sensitivity: 92±3dB, Frequency Response Range: 20hz-20khz, Microphone Sensitivity: -38±1db, 400ma±50ma Charging Current, Impedance: 32ω, DC 5V-1A Input, Rated Power: 3mw, Drive Unit: Φ10mm. After the first pairing, It will connect automatically next time, bid farewell to tedious manual power-on pairing, and can be sensed within 10 meters. This earbud has a Headphone Battery Capacity: 30mah and Rechargeable Battery Capacity: 500ma. The earphone can be used for 3.5 hours with the first full charge, and earphones with the charging box can be used for a total of 14 hours. It delivers About 3.5h (70% Volume) Playing Time, About 3hr Talk Time, About 30hr Standby Time. You can easily use these earbuds when you are walking, during workout time, etc, and also These earbuds can be used freely in any scene, whether it is raining or running. The new Joyroom JR-TL8 Earbuds has 3 Months Warranty (Must Claim With Box & All Accessories).