Digma introduced four models of wireless headphones
By ForGeeks Digma has introduced four models of wireless overhead headphones to the Russian market: BT-15, BT-16, BT-17 and BT-18. They offer Bluetooth or cable connectivity for compatibility with a wide range of devices.
The headphones feature Bluetooth 5.0, allowing you to enjoy music or sounds wirelessly with a range of up to 10 meters. This allows for total freedom of movement. Each headset comes with a detachable audio cable with a 3.5mm jack. So you can keep listening to your music even when the battery runs out.
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The headphones all feature 40-millimeter drivers, but the reproducible frequency range differs: the BT-15 and BT-16 have 20 Hz to 20 kHz, the BT-17 has 40 Hz to 20 kHz, and the BT-18 has 35 Hz to 20 kHz. The headphones have a sensitivity of 105-110dB and an impedance of 32 ohms.
A built-in microphone lets you answer calls, and TF card support lets you listen to music even without a smartphone connection.
The BT-18 model offers up to 6 hours of battery life, providing continuous music playback during that time or up to 4 hours of talk time. The BT-16 has a battery life of 7 hours, and for the BT-17 — up to 10 hours of audio listening or up to 5 hours of talk time. The BT-15 also offers up to 7 hours of battery life.
The BT-15 also offers up to 7 hours of battery life.
The BT-16, BT-17 and BT-18 are foldable, making them suitable for people who spend a lot of time traveling. The headsets weigh just 185 grams, 172 grams and 164 grams, respectively. The BT-15 doesn’t have a folding mechanism, but it has the lightest weight at 142 grams.
The headphones also feature a flexible headband that can be easily adjusted to fit any head size. All the necessary control buttons are located on the earcup: on/off, volume control, track switching, call answering, and mode selection.
