• 【Bone Conduction Technology】Innovative bone conduction technology allows you to listen to audio by placing the device under your pillow. This method doesn't require in-ear placement, preventing ear damage and ensuring comfort throughout the night.
• 【White Noise Library】Built-in collection of 35 natural white noise sounds, including rain, streams, birdsong, and campfire. These soothing sounds help reduce stress, promote relaxation, and facilitate faster sleep onset.
• 【Bluetooth-compatible 5.4 Connectivity】Supports Bluetooth-compatible 5.4 for stable connection, lower power consumption, and high-quality audio transmission. Compatible with all devices supporting Bluetooth-compatible 5.4 or above.
• 【Offline Playback】Supports TF card mode for offline music playback without the need for a smartphone, offering greater flexibility in usage.
• 【Directional Sound Transmission】Utilizes bone conduction to transmit sound, ensuring that others nearby hear only extremely faint vibrations or nothing at all (0dB to 10dB), providing "My Quiet Sleep, Independent of Others."
• 【Extended Battery Life】With a 300mAh battery capacity, enjoy 5-8 hours of playtime at 70% volume. Charging time is approximately 2 hours via Type-C interface.

Specifications:

• Model: SMB-16
• Material: ABS
• Bluetooth-compatible Version: 5.4
• Transmission Range: 10 meters
• Battery Capacity: 300mAh
• Playtime: 5-8 hours (at 70% volume)
• Charging Time: Approximately 2 hours
• Charging Interface: Type-C
• Working Voltage: 3.7V/4.2V
• Input Current: 5V/1A
• Product Dimensions: 160*36*12mm
• Product Weight: 53g