Play music or talk time about about 4-5 hours, standby time about 90 hours.
Bluetooth call without obstacles effective distance 8 m, normal connection without obstacles effective distance <= 10 m.
No primary and secondary, dual Bluetooth dual host
<b>TWS Bluetooth Headset</b><br> Version: 5.1 Jelly<br> Model：BT500<br> Bluetooth version：V5.3<br> Transmission distance: >10m<br> Charging interface：TYPE-C<br> Wearing mode: clip ear wear<br> Charging time: about 1-2 hours<br> Standby time: 90 hours<br> Button life: 20000 times<br> Host battery: 3.7v Host battery: 3.7v 250mAH headphone compartment 30mAH headphones<br> Material: ABS/PC<br> Product size: 6.6*5.5*3.1 cm<br><br> <b>Features:</b><br> Play music or talk time about about 4-5 hours, standby time about 90 hours.<br> Bluetooth call without obstacles effective distance 8m, normal connection without obstacles effective distance <= 10m.<br> No primary and secondary, dual Bluetooth dual host<br><br> <b>Product List:</b><br> Headphones * 1 pair<br> Headphone case * 1<br> Charging cable * 1<br> English manual * 1