The Elderly Bluetooth Audio Card U Disk Radio Portable Music Broadcast Walkman Speaker

Power mode: lithium battery Color: Chinese red, beige, pink, light green, light blue Frequency response range: 100HZ-20KHZ Built-in battery capacity: 1200mAh-2000mAh (inclusive) Product net weight: 220g Connection method: Bluetooth connection Rated voltage: 3.7 Additional features: card insertion, voice prompt Bluetooth version: 5.0 Number of speakers: 1 Applicable scenarios: desktop, outdoor, home, mobile, broadcast system Rated power: 5W Whether it has a built-in battery: built-in battery Box material: ABS + excellent electroplating Waterproof grade: not waterproof Effective distance: 10 meters Signal to noise ratio: ≥ 100dB