Gjby CA-018 Bluetooth Wireless Headphone

Gjby ca-018 bluet•edition: bluetooth v4.2 •driver unit: ø40mm •transmit range: 10m •frequency range: 2.402ghz-2.480ghz •battery: rechargeable polymer lithium-on battery •charge time: <2h •standby time: about 100 hours (battery saturation) •operate hours: 5-6 hoursooth wireless headphone