This listing is specifically for SKU GUBHC15P4MRSCK in Black, with a 400 mAh rechargeable Li-ion battery and USB-C charging. Key Features Bluetooth 5.4: Wireless connectivity for compatible Bluetooth audio devices. 40 mm Drivers: Full-size driver configuration for personal audio playback. 10 m Wireless Range: Official operating-distance specification. 400 mAh Battery: Integrated rechargeable Li-ion battery. Multipoint: Official manual includes multi-point connection functionality. USB-C Charging: Modern wired charging connection. Technical Specifications Component Specification Guess Model Family GUBHC15 / TS-C15 SKU GUBHC15P4MRSCK EAN Produ Type Bluetooth Bluetooth 5.4 Driver Size 40 mm Wireless Range 10 m Frequency Range 20 Hz–20 kHz Battery 3.7 V, 400 mAh Li-ion Charging USB-C Color Black Compatibility & Important Information Wireless operation requires a compatible Bluetooth audio device. This listing is specifically for SKU GUBHC15P4MRSCK in Black. The official C15 manual includes multi-point connection, music controls, call controls and voice-assistant operation. Package Contents Charging Cable Manual Please to review Q: What is the exa SKU? A: The exa Black SKU is GUBHC15P4MRSCK. Q: Which Bluetooth version does the C15 use? A: Bluetooth 5.4. Q: What size drivers are used? A: The official C15 manual specifies 40 mm drivers. Q: What is the battery capacity? A: The battery is rated at 3.7 V and 400 mAh. Q: Does it support multi-point connection? A: Yes. Multi-point connection is included in the official C15 manual. Q: What is the EAN? A: The EAN is .
