Model Number: DX-Q13-J Brand Name: C CU&AUGUST DAXU Key Specifications/Special Features: These ones fit extra nicely into the ear so they are comfortable for prolonged use, are loud and clear sounding and they keep outside noise at bayRobust but small build means that they are perfect for anyone activeRead the instructions carefully before useSpecifications:Brand: CCKModel: KS
Bluetooth version: 4.1
Transmission frequency: 2.4-2.48GHz
Bluetooth operating range: up to 33 feet/10m (free space)
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Frequency response: 20-20kHz
Bluetooth music/talktime: about 5 hours
Standby time: about 120 hours
Charging time: about 2 hours
Operating temperature: -10 to 50°C
Input voltage/current: 5V/>100mA
Output power: 6 + 6mW
Colors: red, green, blue, yellow

Packing contents:
1 x CCK KS sports earphones
1 x USB charging cable
3 x soft ear cap
3 x earhook
1 x headset storage packing
1 x user manual
1 x retail box