Technical specifications
Bluetooth / Profile
Loudspeakers
Bluetooth
Power In-Ear piece (each)
Charging time
Playing time / Talking time
Standby time
SNR / THD / Impedance
Protection class
Power charging box
Charging time
Operating temperature
Storage temperature
Weight / Dimensions
In-Ear piece (each)
Weight / Dimensions
Charging box
Package Contents
2-in-1 handy case for charging & storage
Charging directly in the charging box
charging box can charge the In-Ear
headphones up to 2.5 times, before you have to
fully charge the charging box again.
BT version 4.2 / A2DP 1.3, AVRCP 1.6,
EDR class 2, HFP 1.6, TWS
Frequency range 20Hz~20kHz
Transmitting distance ~8m (open space)
Frequency band 2.4GHz
Radiated transmission power max. 2.5mW
Built-in rechargeable 40mAh lithium polymer
battery 3.7V / charging via charging box
~2 hours
~1.75 hours (max.volume) / ~1.5 hours
~20 hours (BT connection, no music)
95dB / 0.1% / 32Ω
IPX4 (splash water proofed)
Built-in
polymer battery 3.7V / charging via Micro
USB connector
~2.5 hours (DC 5V/1A)
–10°C up to +50°C
–20°C up to +60°C
7g / (L) 2.5 x (W) 2.4 x (H) 1.2cm
52g / (L) 8.0 x (W) 4.7 (H) 3.0cm
TWS Bluetooth In-Ear Headphone BT-X39,
Charging box, Micro USB charging cable, 3
different plug sizes, User Manual
rechargeable
400mAh
lithium