Advanced Bluetooth 4.0 -- Fast paired, quick response within 33ft,, fluent signal trasmission wirelessly for music playing, phone pick-up. You can connects to Echo Dot through Bluetooth or 3.5 mm stereo cable to play music.
20W Strong Bass -- Built with dual 10W 45mm 4ohm drivers and central bass radiator, 80db max volume, quality compares favorable with home audio system.
Up to 10h Music Playing -- High capacity 4,000mAh battery allows 7-10 hours music playing after 3-4 hours charging, long lasting enough to entertain you for party, camping, boating, hiking and more outdoor activities.
Superior Casing Design -- After reviewing tens of wireless speakers, we''ve spent half an year working out this mould, which is far more outstanding beyond most others.
18-Month Warranty -- BlitzWolf offers 30-day free money back, 18-month warranty and lifetime dedicated support to assure you long term enjoyment.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.9 inch
Height : 3.1 inch
Length : 8.4 inch

Item Weight: 1.5 pounds (View shipping rates and policies)
Shipping Weight: 1.65 pounds (View shipping rates and policies)

ASIN : B01JRG6HCC

Product Description

Specifications
Model: BW-F4
Material: ABS+metal+aluminum alloy
Product Weight: 676g
Dimensions: 20.0*6.0*6.4cm/7.87*2.36*2.52inch
Connectivity: 3.5mm audio jack + Bluetooth connection
Speaker Unit: 45mm Diameter, inner magnetic 4, 18-core
Batttery: 7.4V/4000mAh
Charging Voltage: 5V
Charging Time: 3-4 hours
Working Time: 7-10 hours
SNR: 80dB
Frequency Response: 160Hz-20kHz
Bluetooth Version: CSR 4.0
Transmission Range: 10M/33ft

Package Included
1 X BlitzWolf BW-F4 Bluetooth Speakers
1 X USB Charging Cable
1 X 3.5mm audio Cable
1 X English Manual