Material：ABS + Iron Connectivity
Bluetooth：2.0
Expansion Slots：microSD
Ports：3.5mm, DC-IN, Mini-USB Earphones & Speakers
Frequency Response：100Hz-18KHz
Impedance：4 ohms
Music Controls：Yes
Rated Power：5W
Sensitivity：≥85 dBElectronic Components
Rated Voltage：3.7 VPower & Batteries
Battery Capacity (Mfg Rated)：500 mAh
Battery Chemistry：Li-Ion
Current Output：0.5 A
Output Type：DC 5V Speakers
Speaker Style：Compact Specifications
Estimated Usage Time：4 hours Storage
Maximum Expansion Memory：64GB Wireless Devices
Transmission Distance (Maximum)：20 metersManufacturer
Brand：EWA
Model：E305 Package
Package Type：Retail
Package Contents：1*Speaker, 1*USB Cable (21cm), 1*Lanyard (13cm), 1*3.5mm Audio Cable (46cm), 1*English User Manual Dimensions us | metric
Depth：62 mm
Height：55.5 mm
Width：62 mm
Product Weight：290 gFastTech
SKU：1744501
DATE LISTED：6/13/2014Details:Communication protocol: HS/HF, A2DP, AVRCP.OPP
Speaker unit: 52mm
THD: THD≤10%
Audio format: MP3
Support card reader and hands-free call function
FM frequency: 87.5-108MHz