Bluetooth Spec: V3.0+EDR, Transmission distance up to 10 meters

I/O Port: Earphone jack, 3.5mm line-in

Battery: Rechargeable Lithium(500mAh 5C)

Output Power: 3W×1 RMS

Material: Metal

Color: Silver

Product Size: 63*57mm

• Advanced bluetooth, built-in microphone, high sensitive and clear voice function, can be matched with any bluetooth devices connected bluetooth products (apply).
• Use high capacity polymer batteries, convenient and practical, life more durable.
• Support high quality MP3 decoding of music files. Support direct reading TF card.
• Precious metals strong power loudspeakers, 3 d digital audio technology, sound quality is super.
• Power off memory function, accurate memory last time play position.