Specifications:
Bluetooth Version: 4.0 (Broadcom)
Frequency response: 20-20 000 hz
Bluetooth frequency: 2402 MHZ ~ 2480 MHZ
Bluetooth profiles supported: HFP, HSP, A2DP and AVRCP
Bluetooth rang: up to 30 feet
The distortion degree :< 0.5%
Charging Input: DC 12V-24V
Charging Output: DC 5V/2.1A (MAX)
Product dimension: 1.7*0.4inch
Weight (product+package):100g
Package dimension: 17.2*10*3.30CM, 6.8*4*1.3 Inch
3.5MM AUX Cable: 150CM, 59inch