Modern set: TWS earphones with a docking station by GUESS. Extremely discreet, almost imperceptible. They are perfect for both everyday use and exercise. Wireless transfer allows you to enjoy your favorite music in perfect quality without being limited by a cable. The case with the power bank function allows you to safely store the earphones as well as to charge them. The built-in microphone enables you to talk. Ergonomic shape ensures comfort when wearing the set, even for many hours. Specification: Bluetooth version: 5.0 Talk time: 5 h Music time: 4 h Charging time: 1.5 h Bluetooth range: 10 m Charging station battery capacity: 390 mAh 1 earphone battery capacity: 45 mAh Acoustic transducer: 6 mm Dynamics: 92 dB +/- 3 dB Impedance: 32 Ohm ± 10% Frequency response: 20-20,000 Hz