1. Bluetooth connection, automatic shutdown without connection. 2. Hands-free one-click answer for incoming calls. 3. Support FM radio/TF card and USB flash drive direct reading/audio car. 4. Supports TWS pairing 5. Parameters: - Bluetooth version: 5.3 - Wireless transmission range: 10 m - Audio-to-noise ratio: 90 dB - Battery: 500 mAh/3.7 V - Charging voltage: DC 5V/500mAh - Playing time at normal volume: approx. 3 hours - Horn specification: OD 45MM x 1 - Speaker power: 4 Ohm / 5 W x 1 - Frequency response: 150 Hz-20 kHz - Size: 50 x 100 x 72 mm - Weight: 214g Delivery content: Speaker x1 USB cable x1 AUX cable x1 Manual x1
