• Name : Wireless speaker 
• Product model : JR-ML01 
• BT version : V5.0
• BT audio decoding : MP3
• BT protocol : HSP / HFP / A2DP / AVR
• BT frequency : 2.4GHz
• Rated voltage : DC 3.7 V
• Built in lithium battery : 3000 mAh
• Speaker specification : 52mm /4 o / 5W
• Maximum output power : 5W
• Charging voltage : DC 3.7V / 500mA
• Charging time : 6H/3000mAh
• Play time :about 18 hours-medium volume (3000mAh)
• Standby time : 220H(3000mAh)
• TF support formats : within 32g (MP3 / WAV music format ) 
• BT distance : 8-10m