Specifications: Built-in rechargeable lithium-ion polymer battery With LED indicator Long standby time, up to 90 hours Specially design for business people, senior people, fashion crowd, tourists, etc It is beautiful, fashionable, and portable Bluetooth version: V2.0 Carrier frequency: 2402MHz-2480MHz Trough-put power: 0dBm Effective range: 10m Standby time: 90 hours Operating temperature range: -10 to 50 degrees centigrade Storage temperature range: -20 to 80 degrees centigrade Charging voltage: 5-5.3V Charging time: 2 hours Wrist length: Approx. 25.5cm (adjustable wrist girth) Item weight: 22g
Trustpilot
4 days ago
1 day ago
