mini bluetooth keyboard wireless keyboard for iphone ipad

Specifications:
- Frequency band: 2.4 - 2.4835GHz unlicensed ISM band
- Receiving sensitivity: -75bm (standard)
- RF output power: up to 4bm as maximum, good for your health with lowest radiates
- Operation distance: 0 - 10 m
- Operating temperature: -10~55
- Workable environment: 0-55
- Humidity: 20%-50%
- Size: 115 x 60 x 7 mm
- Net weight: 40g

mini bluetooth keyboard wireless keyboard for iphone ipad