• 【Innovative Bone Conduction Technology】This sleep speaker uses bone conduction technology to deliver sound without disturbing others, perfect for a peaceful night's rest.
• 【Versatile Playback Options】Enjoy music via Bluetooth-compatible connection or TF card, supporting various audio formats including MP3, WMA, FLAC, APE, and WAV.
• 【Long-lasting Battery Life】With up to 15 hours of playtime at 80% volume, this device ensures uninterrupted sleep assistance throughout the night.
• 【Easy Operation】Features a multi-function composite key for simple control and LED indicators for clear status display.
• 【Comfortable Design】Simply place under your pillow for use, no need for in-ear wear, providing a comfortable and harm-free listening experience.

Specifications:

• Horn type: 8Ω/2W
• Frequency response: 20HZ-20KHZ
• Bluetooth-compatible solution: BLUETRUM
• Bluetooth-compatible version: V5.2
• Bluetooth-compatible protocol: A2DP 1.0 AVRCP 1.5 AVDTP 1.0 AVCTP 1.4 HFP 1.5 GAVDP 1.0
• Decoding method: TF card (MP3, WMA, FLAC, APE, WAV); Bluetooth-compatible (SBC)
• TF card: Maximum support 32G (not included)
• Operation distance: ≥10 meters
• Normal working time: Play music: ≥15H (80% volume), standby time: about 15 days
• Prompt voice: English prompt tone
• LED light: Red and blue status indicator light
• Operation method: Multi-function composite key
• Battery capacity: 500mAh/3.7V
• Charging method: TYPE-C charging port
• Charging cable: 30cm TYPE-C charging cable
• Charging time: 2.0H
• Charging current: DC5V/310MA
• Charging voltage: 5V
• Product material: ABS+PC plastic shell