Bluetooth Version: Bluetooth V3.0+EDR, compatibility with V2.0 V1.2
Standby time:up to 120 hours. Charger time:2-3 hours. Operating Voltage: 3.6V. Operating Current: <35mA
Standby Current: <2mA. Working Distance Range:10m.
Frequency Range:2.4026GHz-2.480GHz. Built-in rechargeable Li-on battery
Size: 1*(L) x 1*(W) x 0.3*(H).25.4mm X 25.4mm X 7mm

Technical Details

Size (LWH): 3.2 inches, 2 inches, 1 inches
Product Details
Product Dimensions: 3.2 x 2 x 1 inches
Shipping Weight: 0.02 pounds (View shipping rates and policies)
ASIN : B00GMEAV2A