Headphone type: magneticin-ear

Bluetooth scheme: AB5616T

Bluetooth version:Bluetooth V5.3

Bluetooth operatingfrequency: 2.402GHZ-2.480GHZ

Speaker power: Rating 3-5mW

Frequency response:20Hz~20KHz

Speaker unit: speaker Φ10mm@32ohm

Microphone: Condenser,-40dB±2

Built-in battery: lithiumbattery – 3.7V, 105mAh

Standby time: about 100H

Music time: about 10 hours(80% volume)

Talk time: Approx. 7 hours(80% volume)

Charging input standard:DC5V-500mA Micro USB

Charging time: about 1.5 hours

Supported Bluetoothprotocols: A2DP v1.3, AVRCP v1.6, HFP v1.7, HID v1.1, AVCTP v1.4, AVDTP v1.3,and SPP v1.2