- AOS-3inch-3 / AOS-4inch-4 / AOS-6.5inch-7 / AOS-8inch-11
- Wireless Bluetooth Speaker
- Rechargeable Battery
- Big Sound & Good Bass
- FM Radio Function
- USB & Micro SD Card Supported
- Play/Pause & Previous/Forward Buttons
- Volume up/down Buttons
- Wireless transmission range: up to 10m
- Speaker drive size : 3 inch
- Output Power: 5W
- Frequency response : 100Hz-20kHz
- Signal to noise ratio : >=80dB
- FM scan range : 87.5-108.0mHz
- USB Charging: DC 5V
- Battery Capacity: 500mAh
- Max memory support(USB/SD) : 32GB
- Playtime: up to 1 hour at 75% volume
- Charging time: 2 hours