Bluetooth specification: Bluetooth 5.0

Wireless transmission range: 10M

Audio-to-noise ratio: ≥90db

Battery capacity: 1200mAh

Built-in voltage: 3.7V

Normal volume playback: 3H

Speaker specifications: ф45mm *2

Speaker power: 4Ω/5W＊2

Frequency response: 120HZ-20KHZ

Size: 72.6x72.9x178.7mm

Single machine weight: 490g (single machine)

Charging voltage: 5V/500mA

Charging time: about 3H

Support Bluetooth protocol:

Support L2CAP/A2DP/AVRCP, used to receive stereo audio signal, through the agreement can control the upper and lower song operation of the audio transmitter;

Support HSP/HFP (Handsfree Profile), with hands-free function, voice communication