A4tech B20
- True Wireless
- Hybrid Diaphragm
- Bluetooth 5.2
- Range up to 10 meters
- Compatibility with Siri
- Speaker Diameter: 13 mm
- Frequencies: 20 Hz - 20 kHz
- Sensitivity: 102 dB @ -10 dBFS
- Microphone: -42 dB @ 1 kHz/Pa
- Ohm: 32 ohm
- Battery: Lithium (40 mAh) for the earphones
- Battery: Lithium (380 mAh) for the base
- Charging: 5V=500mA
- Charging time: 1.5 hours
- Playback time: 5 hours (50% volume), 20 hours (50% volume with case)
- Earphones weight: 4g
- Weight with base: 39g
- Category: In ear True wireless
Dimensions
- Type
- Earbud
- Operating Time
- 5.15 hrs
- Operation Time with Charging Case
- 20 hrs
- Without Cable
- Yes
- Double Headphone
- Yes
- Bluetooth Version
- 5.2
- Colour
- Turquoise
Additional Specifications
- Multipoint Pairing
- No
- Charging Case
- Yes
- Sweat Resistance
- Yes
- Active Noise Cancellation
- No
- Fast Charging
- No
- Microphone Noise Reduction
- No
- Voice Control
- No
- Smart Assistant (Built-in)
- Siri
- Hi-Res
- No
- Wireless Charging
- No
- Spatial Audio
- No
- LE Audio
- No
- Hybrid Active Noice Cancellation
- No
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.