New TG531 Bluetooth speaker with lanyard outdoor portable subwoofer Bluetooth speaker

bluetooth protocol supported:
L2CAP/A2DP/AVRCP is supported to receive stereo audio signals, and the upper and lower output operations of the audio transmitter can be controlled through the protocol;
support HSP/HFP(Handsfree profile), with hands-free function, can carry out voice communication  bluetooth specification: 5.0
wireless transmission range:>10m
audio Noise ratio: ≥ 95dB
battery capacity: 1200mAh
built-in voltage: 3.7V
normal volume playback: 2H
speaker specification: Platinum 52mm plus * 2
speaker Power: 4Ω/3W * 2
frequency response: 50Hz-20KHz
size: 74mm * 74mm * 204mm
stand-alone Weight: 450g
charging input: 5V/500mA