Brand: Treblab. MPN: HD-FORCE. Treblab HD-Force Portable Bluetooth Speaker System - 50 W RMS - Black - 80 Hz to 16 kHz - Rechargeable Battery. Explore a world of rich, loud and dynamic sound with 60W 50W RMS stereo speakers. The wireless speakers with bluetooth pump out deep, balanced bass. Head off on an adventure with HD-Force outdoor speakers that last up to 25 hours on a single charge. Equipped with a 10400 mAh Power Bank to charge phones, watches,and more. Plus - a built-in mic to receive calls on the speaker.. Specifications  Model: HD-FORCE; Color: Black; Speaker Type: Bluetooth Speaker; Compatibility: Smartphones, Tablets, TVs, Smart Devices, Laptops, Computers; Bluetooth Version: 5; Input Ports: USB, USB-C; Operating Range: 100 ft.; Total Power: 50 W; Response Bandwidth: 80Hz - 16kHz; Dimension: 4." H x 4." W x 8.7D; Weight: 4 lbs; .