Basic parameters:
Bluetooth specification: Bluetooth 3.O + EDR
Bluetooth protocol:
Support L2CAP / A2DP (AVCTP / AVDTP / AVRCP)，
 
For receiving stereo audio signals can be controlled by the protocol，
Audio transmitter side down song operations;
Supports HSP / HFP (Handsfree profile)，
With a speakerphone， voice communications can be carried out
Wireless transmission range: 10 ~ 25M
Audio noise ratio: ≥95db
Battery Capacity: 800mAh
Built-in voltage: 3.7V
Normal volume playback: 2H
Speaker Specifications: ¢ 40mm plus
Speaker Power: 4Ω / 3W
Frequency response: 120HZ-18KHZ
Dimensions: 87.6mm * 80mm * 47mm
Carton: 56.5 * 30.5 * 47CM (100PCS / box)
Single Weight: 149g
Charging voltage: 5V / 500mA
 Color: Blue， Black， Red
 
A. Features
 
1. The use of advanced Bluetooth audio decoder chip， supports all Bluetooth devices connected;
2. Support FM radio， you can listen to radio direct search area
3. sound soft clear dynamic， each structured;
4. Direct reading Micro SD card;
5. Bluetooth receiver distance can be up to 25 meters
6. Support LINE IN audio input， to provide you with the function of computer speakers
7. Can be directly connected to the phone / tablet / Bluetooth pairing and television music