XO BS33 Bluetooth earphone ชุดหูฟังบลูทู ธ สายคล้องคอกีฬา หูฟังบลูทูธไร้สาย
Headphone type: magnetic in-ear
Bluetooth scheme: AB5616T
Bluetooth version: Bluetooth V5.3
Bluetooth operating frequency: 2.402GHZ-2.480GHZ
Speaker power: Rating 3-5mW
Frequency response: 20Hz~20KHz
Speaker unit: speaker Φ 10mm@32ohm
Microphone: Condenser -40dB±2
Built-in battery: lithium battery - 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 Bluetooth protocols: A2DP v1.3 AVRCP v1.6 HFP v1.7 HID v1.1 AVCTP v1.4 AVDTP v1.3 and SPP v1.2