*Specifications*:

Product Type: Wireless Sport Earphones
Wireless Version: CSR8635 V4.1
Driver: φ8mm
Frequency Range: 2.4026GHZ-2.480GHZ
Transmission Class: class 2
Transmission Distance: ≤ 32ft
Protocols Supported: HSP, HFP, A2DP, AVRCP
Play Time: 5 hours
Talk Time: 5 hours
Standby Time: 180 hours
Charge Time: 1-2 hours
Input: DC 5V 300mA
Output Power: 10mw
Sensitivity: 98db
Impedance: 16Ω
Waterproof Performance: IPX4
Materials: Aluminum Alloy, TPE Wire
Frequency Response: 20Hz-22KHz
Battery: built-in rechargeable 3.7V 60mAh li-polymer battery
Weight: 13g/0.47oz
Color: Red