Mini I2 Wireless Bluetooth Speaker with Microphone

Enjoying your favorite music on the beach, poolside, boat, and even in the shower room, bathtub or kitchen. Features: Bluetooth Version: 5.1 Wireless Range: 50 meters Type: Active Built-in microphone: YES Handsfree: YES Speaker Dimension: Φ57mm, 4Ω5W*2 Power: Rechargeable 200/400/600/800mAh lithium battery. Frequency Response: 150HZ-18KHZ Input Power: DC 5V,1A Case Material: ABS Intereface: Micro USB/TF card slot/AUX-in jack Weight: 0.2/0.45kg Charging Port: Micro USB Functions: waterproof, fall proof, voice prompt, card insertion, radio, dust-proof, call function