Portable Bluetooth Speaker for Smart Phone (BT-B1)

Product Specification:
1. Dimension: 98.5 mm (L) X 74.5 mm (W) X 67.5 mm(H)
2. Weight: 271G ± 5% for speaker body
3. Standard Battery: Built-in rechargeable Lithium battery
4. Music playtime: Max 4- 8 hrs(based on 50%-70% voice volume) details information is subject to different testing conditions
5. Charge time: 3-4 hours
6. Power input: 100V~240V AC/50-60Hz
7. Power output: DC 5V/300~500mA
(Remark: Please don't use the mismatching adaptor to charge the product, or it will damage the speaker and battery)
Speaker Specifications:
1. Diameter: 45MM
2. Impedance: 4Ω
3. Power output: 3.0W(THD+N=1%)
4. Sensitivity: 80 ± 1dB