Sennheiser CX200TW1 - Black

Sennheiser CX200TW1 - Black Type: True Wireless In-Ear Driver Unit: 7mm Frequency Response: 5Hz-21KHz THD: Input Impedance: 16 ohms Power Supply: 5 V, 600 mA max; USB charging via USB-C socket at charging case Sensitivity: 110 dB SPL (1 kHz / 0 dBFS) Weight: Earbuds & charging case: 49 g (1.7 oz) Single earbud: 6 g (0.2 oz) Charging case: 37 g (1.3 oz)