Portable Mini Small Metal Music Loudspeaker Music Sound Box Wireless Bluetooth Speaker Handsfree Bass Subwoofer for Phone.

Features:

• Wireless working range : 10M (without obstacles)
• Horn power: 5W*1
• Frequency response :20 hz-2 KHZ
• Power supply: built-in 3.7v 450mah lithium battery
• Charging time: about 2 hours
• Talk time :5 hours
• Music broadcast time: 4-5h
• Adapter: micro USB port,DC5V
• Voice chat: supported
• Voice prompt: support
• Size :91 * 47 * 20 mm
• Color: black, white, blue, rose gold