Bone Conduction Bluetooth Speaker White Sound Sleep Aid Pillow Sleep Instrument Wireless Bluetooth Small Audio Speaker

Power mode: USB Function: wireless remote control, timing, music function Color: white, black, sky blue Product Category: Pillow Built-in battery capacity: 300mAh-500mAh (inclusive) Rated power: 500 Whether it has a built-in battery: built-in battery Effective distance: 10 Product net weight: 60 Battery life: 6-8h (inclusive) Display mode: LED LCD display Wireless working range: 10 meters Supported protocols: A2DP 1.3, HFP 1.7, AVRCP 1.6 Impedance: 8Ω Speaker frequency: 180hz-16000Hz Input current/voltage: 5V/250mA Material: ABS