Features:
Adopt advanced Bluetooth technology
Easy to use， plug and play with speaker audio input line
High sensitivity and high performance chip
Miniaturization and elegance， humanized design for convenient carry
It can be charged directly by power supply or computers via USB cable
It can also work with built-in battery
10m Bluetooth receiving distance
Great for car use

Specifications:
Bluetooth Protocol HSP/ HFP/ A2DP
Use Time:4 Hours
Charging Time:1.5 Hours
USB Cable Length: 45 cm
Bluetooth Receiver Cable Length: 10 cm
Dimensions: 4.4cm x 2.9cm x 1cm (L x W x H)
Color: Black
Net Weight: 23.8g

Package Includes:
1 x Bluetooth Receiver
1 x USB Cable