English 
Suomi 
JBL JR310BT Bluetooth Wireless On-Ear Headphones for Kids Green
Key Specs
| Wearing Style | Dual Ear with Headband Foldable: Yes Earpiece Swivel: No |
|---|---|
| Earpiece Design | On-Ear (Supra-Aural) |
| Active Noise Cancellation | No |
| Frequency Response | 20 Hz to 20 kHz (Wireless) |
| Built-In Controls | Yes, on Right Earpiece |
| Sensors | No |
| Noise Cancelling Microphone | No |
| Number of Voice Mics | 1 |
| Runtime | 30 Hours |
Headphone
| Wearing Style | Dual Ear with Headband Foldable: Yes Earpiece Swivel: No |
|---|---|
| Earpiece Design | On-Ear (Supra-Aural) |
| Open/Closed-Back | Closed-Back |
| Sound Field | Stereo |
| Number of Drivers | 1 per Earpiece |
| Driver Type | Dynamic |
| Driver Size | 1.3" / 32 mm |
| Impedance | 32 Ohms |
| Active Noise Cancellation | No |
| Frequency Response | 20 Hz to 20 kHz (Wireless) |
| Sensitivity | 90 dB at 1 kHz / 1 mW |
| Maximum Sound Pressure Level (SPL) | 80 dB |
| Volume Limiting / Child-Safe | No |
| Built-In Controls | Yes, on Right Earpiece |
| Sensors | No |
Microphone
| Built-In Mic | Yes, on Earpiece |
|---|---|
| Noise Cancelling Microphone | No |
| Number of Voice Mics | 1 |
| Sensitivity | -40 dBV at 1 kHz |
Connectivity
| Wireless | Bluetooth 5.0 |
|---|---|
| Wireless Range | 49.2' / 15 m |
| Bluetooth Profiles | A2DP 1.3, AVRCP 1.5, HFP 1.6, HSP 1.2 |
| Multipoint Support | No |
| Audio Connector | No Wired Audio Support |
| Mobile App Compatible | No |
Battery
| Runtime | 30 Hours |
|---|---|
| Quick Charging Times | 5 Minutes for 2 Hours |
| Recharge Time | 2 Hours |
| Battery Chemistry | Lithium-Ion Polymer (LiPo) |
| Capacity (mAh) | 400 mAh |
| Charging Input | USB-C |
| Wireless Charging | No |
Physical
| Color | Green |
|---|---|
| Environmental Resistance | No |
| Dimensions | 5 x 2.5 x 0.6" / 12.7 x 6.3 x 1.5 cm (Folded) |
| Weight | 4.1 oz / 115 g |
Packaging Info
| Package Weight | 0.585 lb |
|---|---|
| Box Dimensions (LxWxH) | 9.5 x 7.5 x 1.4" |
