Dual Channel bluetooth Wireless Keyboard Ultra Thin Portable Keyboard for Phones Pads

Specification: 1. Item: bluetooth Keyboard 2. Color: Silver, Black 3. Connection: bluetooth 3.0 4. Working Distance: 8 -10m 5. Power: 3.7V 180mah Lithium Battery 6. Working Time: Abouve 40H 7. Standby Tme: Around 6 Months 8. Charging Tme: 2 - 3H 9. Dimension: 289.7 * 159.8 * 16mm 10. Supported system: For iOS, Android, Windows Features: 1. Metal base, increased its weight, can place a mobile phone or pad inside the slot. 2. Dual channel, can be paired with 2 devices at the same time, just press the button to switch to. 3. Widely compatible, compatible with android, windows system devices. 4. Small size, easy to carry it anywhere as you wish, more convenient for your use. Package Included: 1 * Dual Channel bluetooth Wireless Keyboard Ultra-thin Portable Keyboard for Phones Pads 1 * USB Charging Cable