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Characteristics
Connection type:
Type:
In-ear
Color:
Green
Microphone:
Yes
Wireless headphones-plugs A4tech B20 2Drumtek True Wireless - mint color
Hybrid Diaphragm-The headphones have a built-in hybrid diaphragm of the dynamic speaker, which is made of two types of materials, combined in one diaphragm. They are made using modern Japanese biotechnology, with grown nano mycelium and carbon fibers. This achieves a balance between mid and high frequencies with deep bass
Bluetooth 5.2- Provides a stable connection up to 10m without interference
Just by touching with your finger, you can use them to play the previous/next song, receive/reject calls, enter the voice assistant (Siri, etc.)
The headphones can accept calls using one or both headphones. This allows you to alternate between recharging them.
The battery life can last up to 5 hours on a single charge. Then recharge your headphones for another 15 hours of playback with the aluminum charging case.
Speaker diameter: 13 mm
Frequency range: 20 Hz-20 kHz
Headphone sensitivity: 102 dB @ -10 dBFS
Microphone sensitivity: -42 dB @1 kHz/Pa
Headphone impedance: 32 ohm
Range: 10 m
Headphone battery: Lithium Battery (40 mAh)
Case battery: Lithium Battery (380 mAh)
Power supply voltage/current: 5V=500mA
Headphone charging time: ＜1.5H (full charge)
Case charging time: ＜1.5H (full charge)
Playtime on 1 charge (headphones): ≈5H (50% volume)
Playtime on 1 charge (case): ≈20H (50% Volume Data)
Earphone weight: 4g
Total weight: 39g
Features:
| Manufacturer: | A4tech |
| Earphone type: | In ear |
| Color: | Green |
| Bluetooth version: | 5.2 |
| Operating time: | 20 h |
| Connection Type: | Single Point |
| True Wireless: | Yes |
| Power Supply Min-Max (W): | 2.5 - 5 W |
| Weight: | 0.039 kg |
| Warranty: | 24 months |
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