Wireless Speaker, Venstar Portable Speaker Bluetooth Speaker Bluetooth 4.0 Aluminium Built-in Mic 2*5w Voice Prompt Shockproof High-def Sound Compatible with All Bluetooth Devices - Metal Black

I-Venstar ® ---- Build Your Idea

Venstar Wireless Bluetooth Dual Speaker --- Dual Premium metal casing sleek and polished look - Long rechargeable battery life -Dual 5W output driver delivers full-range sound - one button Bluetooth reconnection - Premium High-def sound, All these features will meet your high requirement of Bluetooth speaker, high recommend!

Specifications:
Bluetooth Version: Bluetooth 4.0
Connection: Support one button Bluetooth reconnection
Speaker structure: Dual Speaker
Interfaces: AUX Jack, Micro USB Port
Power Supply: Built-in 1800mAH rechargeable Lithium battery / DC 5V＝500mA USB charging
Handfree function: Support, with built-in Mic
Support: A2DP/AVRCP/HFP/SPP/BAS/DIS/FMP/HRP/HRS/HTP/HTS/IAS/LSS
Working Distance: about 33 feet
Speaker structure: 4Ω 5W*2
Frequency response: 100HZ-20KHZ
Sensitivity: 80db
S/N Radio:≥60db
Distortion: ≤0.4%
Working voltage: 3.7V-4.2V
Charging voltage: DC 5V /1A
Charging current: 400-500ma
Input: DC 5V-500MA
Voice:Supports phone ring, with voice broadcast,Voice prompt
Power off: Automatic shutdown after suspension without operation for 5 minutes
Package included:
1 x Wireless Bluetooth Speaker
1 x USB Cable
1 x 3.5mm Audio cable
1 x Hanging Sling
1 x user manual