Material: ABS, electronic components

Function: card insertion, radio, voice guidance, call function

Channel: 2.1

Number of speakers: 1

Bluetooth protocol: 5.1

Effective distance: 10 meters

Operation mode: button

Playback format: MP3, WMA, WAV, APE

Supported format: TF card

Frequency response: 90Hz-12 Khz

Signal-to-noise ratio: 65dB

Speaker impedance group: 2 ohms

Output power: 8W

Built-in battery: 4500mAh 3.7V lithium battery

Charging voltage: DC 5V

Charging time: 1-2 hours

Usage time: about 15 hours

Transmitter battery: button battery (delivered with battery)

Multifunction speaker: digital clock design, can also be used as an alarm clock

Two styles, two usage modes: you can choose freely

Smart display: shows battery life and operating status is visible at a glance

Dimensions: 7.5 x 11.5 x 3.1 cm

Product weight: about 230 grams