Wireless Bluetooth Speaker Is Heavy And Low

Product information :
Function: card insertion, waterproof, dustproof, anti-fall, and call function.
Applicable scenes: desktop, fitness, outdoor, home, portable, outdoor lawn.
Speaker unit: 2 treble+bass
Connection mode: Bluetooth connection
Interface type: USB
Frequency response range: 60Hz-20KHz.
Output power: 30~60W
Signal-to-noise ratio: ≥95dB
Power supply mode: built-in lithium battery
Shell material: plastic
Shell technology: alloy mesh+Kevlar fiber woven mesh
Built-in battery capacity: 2000mA-4000mA
Color:: black

Size Information:
Appearance size: 78 * 78 * 216 mm

Packing list:
T7 Bluetooth speaker *1, AUX audio cable *1, USB-C charging cable *1, instruction manual *1, warranty card *1