Reeoo Ro11 Bluetooth 5.3 Wireless Neckband Earphone-Black

Bluetooth: V5.3

Speaker size: 10.mm

Play time: About 35hours

Talk time: About 20 hours

Battery capacity: 350mAh

Standby time: About 150 hours

Charging time: About 2 hours

Frequency range: 20-20000KHz

Transmission range: 10m

Low latency: 35ms