Overview: Fashion Wireless Earbuds Bluetooth 5.0 S2 TWS 3D Stereo Mini Headset Waterproof Sweatproof Hifi In-Ear Earphone for iphone. The product is maximum confort for the ears, light as a feather, ergonomic design. Small enough, light enough, invisible enough.
Specifications: Bluetooth version: V5.0+EDR Wireless frequency: 2.4GHZ Transmission distance: 10 meters Battery capacity: 50mAh Charging voltage / current: 5V / 1A Play / talk time: about 4 hours Charging time: about 1 hour Standby time: 120 hours Speaker impedance: φ8MM 32Ω Microphone sensitivity: -42Db Working temperature: -10-50 °C