
Bluetooth Series
Cable-free communication: Bluetooth headset + adapter + optional wireless finger PTT. ~10 hours battery life, 2.4GHz, 10m range.




Bluetooth Series
Cable-free communication: Bluetooth headset + adapter + optional wireless finger PTT. ~10 hours battery life, 2.4GHz, 10m range.
Specifications & Features
BT021_K
- Sports ear-hook wireless headphone + adapter + optional wireless finger PTT
- ~10 hours of battery life on all components
- Type-C charging, 5.00V DC input
- 2.4GHz wireless technology (2400–2483.5MHz)
- Communication distance: 10m
- Wireless finger PTT: up to 80 hours of use, 1-hour fast charge
| Headphone Battery | 260mAh (962mWh), ~10h use, 2h charge |
|---|---|
| Adapter Battery | 230mAh (851mWh), ~10h use, 2h charge |
| PTT Button | 60mAh (222mWh), ~80h use, 1h charge |
| Charging Input | 5.00V DC |
| Frequency | 2400-2483.5MHz |
| Communication Distance | 10m |
BT011_K
- Full wireless solution: headset + adapter + PTT button — complete cable-free system
- ~10 hours of battery life on all components
- Type-C charging, 5.00V DC input
- 2.4GHz wireless technology (2400–2483.5MHz)
- Communication distance: 10m
- Wireless PTT button powered by CR1632 battery — long-lasting, no frequent replacement
| Battery | All units ~10 hours |
|---|---|
| Charging | ~2h @ 5.00V DC |
| PTT Button | CR1632, 140mAh / 3.0V / 420mWh |
| Frequency | 2400-2483.5MHz |
| Communication Distance | 10m |
BT031_K
- 2.4GHz wireless technology (2400–2483.5MHz)
- Plug & play, auto one-click pairing
- Low-battery voice prompt
- Noise-canceling function
- Magnetic charging
| Speaker Impedance | 150Ω±15% |
|---|---|
| Speaker Diameter | 14.2mm ±0.01mm |
| Mic Sensitivity | -39dB ~ -37dB @ 94dB SPL, VDD=2.75V |
| Directivity | Omni-directional |
| battery_life | 10 hours |
| Charging | ~1.5-2h, 5.00V DC |
Ready to Start Your Project?
Send us your radio model and quantity — get a quote within 24 hours.