Features: - Built-in microphone
- Hands-free calling
- Answer calls freely when driving and listening to music
- Connect two Bluetooth devices simultaneously
- Easy and convenient to carry around

Parameters:
- Bluetooth version: V4.1 + EDR
- Frequency range: 2.4GHz
- Output power category: class 2
- Bluetooth mode: HFP / HSP / A2DP / AVRCP
- Bluetooth range: up to 30 feet
Operating voltage: DC 3.7V-5.0V
Working Current: DC 5V / 8-15mA Package weight: 0.062 kg
Package Size(L x W x H): 10.00 x 7.50 x 2.00 cm / 3.94 x 2.95 x 0.79 inches Package Contents: 1 x Bluetooth Receiver， 1 x English Manual， 1 x Sticker