Bluetooth version V4.2
Bluetooth profiles HSP,HFP,A2DP and AVRCP
Active passive type:active
Bluetooth working frequency:2.402GHz-2.480GHz
Bluetooth range:≤10 meters
Speaker power:Rating 3mW
Headphone RF power rating:Class2
Power amplifier type:built-in chip-set
Speaker type:Full frequency Φ7mm@16ohm
Battery:Lithium Battery -3.7V, 2*50mAh
Music time:About 3 hours (80% volume)
Talk time:About 3 hours (80% volume)
Charging box capacity: 350mAh
Charging time:About 2 hours
Standby time 100 hours
Waterproof IPX-5 water-resistant
Battery cycle life(charging and discharging cycle):≥300 times
Temperature range:Work: 0~40°C, Storage: -10~45°C
Humidity range:Operating Humidity: Less than 70%, Storage Humidity: Less than 70%
Weight:4.1g(single earphone weight)
Portable Charging Case -Lightweight charging case is especially designed for easy storage and charging, make sure your wireless earphones never out of battery.
Truly Wireless Earbuds - No more headphone cord troubles when enjoy music! True wireless headphones that adopted with bluetooth CSR 4.2 technology can be invisible in your ear. The twins earbuds can be used simultaneously or separately.
HD Stereo Sound - Bluetooth headset built in HD and sensitivity microphone, CVC 6.0 Noise Canceling technology helps provide clear and loud sound, professional sound chamber is also designed for perfect sound experience.
More Caps for Different Ears - Anti-sweating silicone caps keep the headphones in your ear canal firmly and ensure a secure and comfortable in-ear experience. Extra 3 pairs of caps are included to fit for different ear size.
All-touch Earphones - Both of the charging case and earphones are controlled by touch. Simply double touch the charging case to power it on/off. High capacity lithium battery in the earphones can support continuously music time for about 3-4 hours.