Product Specification
1.Bluetooth 5.0 CSR 8640
2.Passive Noise Cancellation ?V? 8.0
3.Operation time: up to 20 hours
4.Charging time: Just 1.5 hours
5.Signal range: 10m (33 ft) in open space
6.Ios Battery displayed on device
7.Supports multi-device connection
8.In-ear voice prompts
Whats in the box?
-SUNITEC BS850 Wireless Bluetooth Neckband Headphone
-Micro USB Charge Cable
-Sizes Ear Silicone Eartips
-Quick user guide /User Manual