Instructions

 2-in-1 handy case for charging & storage
 Charging directly in the charging box
 charging box can charge ~3x the In-Ear
headphones, before you have to fully charge
the charging box again.
Technical specifications
Bluetooth / Profile
BT version 4.2 / EDR, A2DP 1.3, AVRCP 1.6, HSP
1.2, HFP 1.6, TWS
Loudspeakers Frequency range 20Hz~20kHz
Bluetooth
Transmitting distance ~10m (open space)
Frequency band 2.4GHz
Radiated transmission power max. 2.5mW
Power In-Ear piece (each)
Built-in rechargeable 50mAh lithium polymer
battery 3.7V / charging via charging box
Charging time ~2 hours ~3–3,5
Playing time / Talking time ~3.5 hours (max.volume) / ~3 hours
Standby time ~20 hours (BT connection, no music)
SNR / THD / Impedance 95dB / 0.1% / 32Ω
Power charging box
Built-in rechargeable 300mAh lithium
polymer battery 3.7V / charging via Micro
USB connector
Charging time ~2.5 hours (DC 5V/1A)
Operating temperature –10°C up to +50°C
Storage temperature –20°C up to +60°C
Weight / Dimensions
In-Ear piece (each)
6g / (L) 3.0 x (W) 2.5 x (H) 1.7cm
Weight / Dimensions
Charging box
34g / (L) 8.8 x (W) 4.5 (H) 3.2cm
Package Contents
Mini TWS Bluetooth In-Ear Headphone
BT-X49, Charging box, Micro USB charging
cable, 3 different plug sizes, User Manual