• 【Pillow Sound Transmission】Bone conduction transfers audio through the pillow, allowing the user to hear sound while people nearby hear almost nothing.
• 【Dual Bone Conduction Speakers】Two bone conduction speakers and dual sound units provide synchronized vibration transmission for balanced left and right audio during movement.
• 【Bluetooth-compatible And TF Playback】Bluetooth-compatible playback and TF card support provide dual playback options for local audio, including music, white noise, and podcasts.
• 【Timed Shutdown Settings】Selectable 30-minute and 60-minute timed shutdown modes allow the speaker to stop playing automatically after the chosen period.
• 【Rechargeable Audio Device】The speaker uses a 300mAh polymer lithium battery, supports 10-12 hours of playback, and includes a Micro-USB charging port.

Specifications:

• Material: ABS
• Storage: TF card expansion up to 32GB
• Playback: Bluetooth-compatible and TF card dual playback
• Bluetooth-compatible Version: 5.4
• Battery Voltage: 4.2V
• Battery Capacity: 300mAh polymer lithium battery
• Power: 0.2W
• Charging Time: 2 hours
• Playback Time: 10-12 hours
• Input: 5V/2A
• Standby Time: 150 days
• Signal-to-Noise Ratio: ≥85dB
• Frequency Response: 20Hz-20kHz
• Timed Shutdown: 30 minutes and 60 minutes
• Interface: Micro-USB charging port and TF card slot
• Buttons: 3 physical buttons
• Waterproof rating: IPX4