Feature:

• Bluetooth Version: V4.2+EDR
• Bluetooth Protocol: A2DP / AVRCP / HFP / HSP
• Audio Input: Bluetooth,AUX,TF Card
• Speaker Specifications: Φ40 4Ω 3W
• Power Output: max 4.5W
• Operating Voltage: 5V
• SNR: ≥80dB
• Distortion: <10%
• Speaker Frequency Response: 80Hz-20KHz
• Bluetooth Frequency Response: 2.4GHz-2.480GHz
• Battery Capacity: 1200mAh 3.7V
• Music Playing Time: 3 to 5 hours
• Charging Time: 2 to 3 hours
• Bluetooth Transmission Distance: 10M
• Built-in Microphone