Product model :B6

Bluetooth chipset : QCC3040

Bluetooth version : 5.2 + EDR/BLE

Bluetooth protocol : HSP1.2 HFP1.7.1 / A2DP1. 3.1 / AVRCP1.6 SPP1.2 / DI1.3 / AVCTP1.4

Channel system : monophonic sound

Noise reduction method : CVC8.0 noise reduction

Operating voltage : 3.3-4.2V

Working current : 4-8mA

Charging voltage : DC 5V

Charging current is 30mA

Battery capacity: 30mA

Charging time :about 1.5h

Frequency range : 2.402 ~ 2.480GHz

Distance :  >10 m