Specification:
• Bluetooth version: 3.0
• Bluetooth working distance: within 20m
• Charging voltage: DC 5V-500mAh
• Battery capacity: built-in battery 1000mAh/3.7V
• Normal volume playing time：4H
• Speaker: 2*Ф40mm
• Power: 4Ω 3W x 2
• S/N Ratio: ≥75db
• Frequency response: 100Hz-20kHz

Function:
1. With FM 87.5-108MHz
2. With USB/SD slot
3. Mini USB charging slot
4. With AUX line in
5. Built-in Mic for hands-free phone call
6. The intelligent voice prompt

Package:
1. Product dimensions: 180 x 59 x 59.8mm
2. Product weight: 390g
3. 50 sets / carton
4. Carton: 43 x 32.5 x 37.5cm
5. Accessories: manual, AUX cable, USB cable