Mini Metal Case wireless Bluetooth Speaker !

Bluetooth Version: V2.1+EDR
Connectivity Type: Wireless
Material: ABS
Eesolution: 55dB
S/N:﹥=65dB
Speaker power:4Ω3W,40mm
Frequency range :90HZ-20KHZ
Charing time: 2-3 hour
Play time: 2-3 hours
Battery:Built-in Li-Ion 3.7V 250mAH
Colors:Black,White,Red,Blue,pink,
Effective range:within 10 meters
Standby Time:about 120 hours
Product Size:55*55*55mm
Weight:100g
Feature:
1mini and portable
2. Hands-free
3. Easy to use control
4. Built-in high quality Mic
5. MP3 / AAC/SBC audio decoding function
6. DSP data processor
7. Micro USB port with built-in Lithium battery