WiWU GB-01 Soundcool Wireless Neckband Earphones

Specification:
Brand: WiWU
Model: GB-01
Product Name: WiWU Soundcool Wireless Neckband Earphones
Bluetooth Chip: JL7003
Bluetooth Version: V5.4
Bluetooth Protocols: A2DP, AVRCP, H-SP, H-FP
Working Frequency: 2.400GHz-2.480GHz
Transmission Distance: 10-20M
Battery Capacity: 280mAh
Audio Life: About 25 hours
Talk time: About 25 hours
Standby Time: 500 Hours
Speaker: Φ10mm
Charging Interface: TYPE-C
Charging Current: 5V-150mA
Charging Time: 2 hours