Specifications:
Bluetooth Version: 4.2
Transmission Distance: 30ft
Wear Style: in-ear
Connectivity: wireless
Connection Port: USB
Battery: Lithium-ion 60mAh
Charging Time: 1 hours
Work Time: one for 5-6 hours, and a set for 2-3 hours
Frequency Response Range: 20-20KHz
Warranty: 1 year
What's in the box:
1 x Earphones
1 x USB Charge Cable

• Advanced Bluetooth 4.2 Technology: Bluetooth V4.2+CSR Technology offer best stereo and superb bass sound, and great CVC6.0 noise canceling function allows you to just focus on your favorite music wherever you are, and clear phone calls are also supported with built-in microphone. And compatible with most Bluetooth-enabled devices.
• Cable-free Design£ºModern and fashion dual wireless earbud sentience technology Design. No line limited, sharing the music or movie voice with your wife, children, parents or your friends. Wireless connect range up to 10 meters (33ft).
• Special Design: Wireless dual-ear stereo design, Left and Right Ear Channel Separation, the Left and Right Ear can be used by oneself (Single Track Mode), also can be used in pairs (Stereo Mode). 1 drag 2 function which can connect two phones at the same time.Ultra Mini Size offers you Wonderful HiFi Sound Effect. Its ergonomic design guarantees 100% Stable and comfortable when walking,exercising, running, climbing, driving, skating, cycling, fishing and other outdoor sports.
• Easy to Use: With voice notification of incoming calls. One button allows /Play/Pause on all your music tracks as well as all phones without reaching your phone. Super quick pairing With all Android and IOS Devices.
• Long Hour Usage: Built-in 65mAh rechargeable lithium battery, it can support playing music for 2.5 hours with two earphones(for 5 hours with one earphone). The standby time can be 60 hours with two earphones (for 120 hours with one earphone). The battery can be fully recharged in an hour.

Advanced Bluetooth 4.2 Technology: Bluetooth V4.2+CSR Technology offer best stereo and superb bass sound, and great CVC6.0 noise canceling function allows you to just focus on your favorite music wherever you are, and clear phone calls are also supported with built-in microphone. And compatible with most Bluetooth-enabled devices.Aolyty