Key Features
- 5.8mm Dynamic Drivers
- Up to 8 Hours of Playback
- Charging Case for Up to 24 Extra Hours
- Listen Through Both Earbuds or Just One
- Fast Pairing with Just a Tap
- Automatic Re-Pairing When Removed
- Wireless Bluetooth Technology
- Built-In Microphone for Hands-Free Calls
JBL 125TWS Specs
Headphone
| Earpiece Design | In-Ear (Intra-Aural) |
| Driver Type | Dynamic |
| Number of Drivers | 1, per Earpiece |
| Driver Size | 0.23" / 5.8 mm |
| Impedance | 14 Ohms |
| Active Noise Cancellation | No |
| Controls/Microphone Location | Controls: Left Earpiece, Right Earpiece Microphone: Left Earpiece, Right Earpiece |
| Full Remote OS Support | Not Specified by Manufacturer |
Performance
| Frequency Response | 20 Hz to 20 kHz (Wireless) |
| Sensitivity | 96 dB SPL at 1 kHz / 1 mW |
| Maximum Sound Pressure Level (SPL) | 96 dB |
Microphone
| Number of Mics | 2 |
| Sensitivity | -38 dBV/Pa at 1 kHz |
Wireless Connectivity
| Wireless Modulation | π/4 DQPSK, 8DPSK, GFSK |
| Bluetooth Profiles | A2DP 1.3, AVRCP 1.5, HFP 1.7 |
| Bluetooth | 5.0 |
| Frequency | Bluetooth: 2.4 GHz (2.402 to 2.48 GHz) |
| Transmitter Power | 12 dBm |
| NFC | No |
Battery
| Battery Chemistry | Lithium-Ion |
| Capacity (mAh) | 85 mAh |
| Runtime | 8 Hours (BT) |
| Recharge Time | 2 Hours |
| DC Input Power | 5 VDC at 1 A |
| Charging Port | Pins |
Charging Case
| Additional Runtime | 24 Hours |
| Battery Chemistry | Lithium-Ion |
| Capacity | 850 mAh |
| Charging Time | 2 Hours |
| Charging Interface | USB Type-C |
Physical
| Weight | 2.6 oz / 73 g |
Packaging Info
| Package Weight | 0.38 lb |
| Box Dimensions (LxWxH) | 6.4 x 4 x 1.8" |











