Key Features Bluetooth 5.3: Wireless music and call connectivity. Three Playback Modes: Bluetooth, TF card and AUX. Cat-Ear Lighting: Gradient seven-color illuminated design. 10-Hour Runtime: Music and calls at the manufacturer's stated 80% volume condition. 40 mm Drivers: Foldable Fit: Adjustable headband, soft ear cushions and Type-C charging. Technical Specifications Component Specification HOCO W42 Cat Ears Color Purple Grape Produ Type Bluetooth Version 5.3 Playback Modes Bluetooth, TF Card, AUX Speaker Driver 40 mm Frequency Response 20 Hz – 20 kHz Battery Capacity 400 mAh Music / Talk Time 10 Hours (80% Volume) Standby Time 180 Hours Charging USB Type-C, DC 5 V; Approximately 2 Hours Wireless Distance 10 m Lighting Gradient Seven-Color Built-In Dimensions 203 × 172 × 75 mm Weight 190 g Compatibility & Important Information Bluetooth audio requires a compatible Bluetooth playback device. AUX listening requires a device with a suitable analog audio output and cable connection. TF card playback depends on compatible storage media and audio files. Music and call runtime is rated at 80% volume; actual use varies with settings and conditions. Please to review Q: Does the W42 support Bluetooth? A: Yes, Bluetooth 5.3. A: Yes. AUX playback is one of three supported modes. Q: Do they support TF cards? A: Yes. TF card playback is supported. Q: How long does the battery last? A: HOCO specifies 10 hours of music or calls at 80% volume. Q: Do the cat ears have lighting? A: The model features gradient seven-color lighting. A: Using the USB Type-C charging port. The stated charging time is approximately 2 hours. Q: Are the earcups foldable? A: Yes. HOCO lists foldable earcups and an adjustable headband.