Thank you for viewing. Manufacturer: Sennheiser Product Name: MOMENTUM True Wireless M3IETW Color: Black Operation confirmed and cleaned. This is a used item, so there may be battery degradation, scratches, and stains. Please be aware of this before purchasing. Product Information These are completely wireless earphones that support "aptX Low Latency," a Bluetooth audio codec known for its low latency and high sound quality. They are equipped with two noise-canceling beamforming microphones and a transparency mode. You can listen to music while still being aware of your surroundings, ensuring safety. The panel on the side of the main unit acts as a remote control, allowing you to play music and make hands-free calls. You can also activate smartphone voice assistants like Google Assistant from the earphones. ・Charging port: USB Type-C ・Wireless: Bluetooth ・Bluetooth version: Ver. 5.0 ・Continuous playback time: Approximately 4 hours ・Charging time: Approximately 1.5 hours ・Supported codecs: SBC, AAC, aptX, aptX Low Latency ・Waterproof/Dustproof performance: IPX4