RIKYA K30 400mAh Sweatproof Memory Cable Noise Reduction Heavy Bass Stereo CSR4.1 bluetooth Earphone

Features: 1. CSR chip, bluetooth 4.1 version, it could build faster connection and transmit stable signal in high speed. 2. Noise reduction, it could be isolated from the interference of environment effectively, provide you with enjoyment of music. 3. Sweatproof and anti-skid design, it would not easy slid down while doing sport and protect the phone from damage caused by sweat and splash. 4. 400mAh Li battery, long lasting, it could support 20 hours music time or 25 hours talking time, and the standby time is up to 30 days. 5. Simultaneous connection, it could be connected with two bluetooth devices at the same time. Strong compatibility. 6. Ergonomic design and memory cable, the cable would turn the original state after using. More comfortable for long time wearing. Specifications: General Specification Brand RIKYA Model K30 Color Black Wearing Type In-ear Dimensions (cm/ inch) 4.2*4.2 cm (1.65*1.65 inches) Technical Parameters Microphone Yes bluetooth Version CSR 4.1 Transmission Distance 10m Frequency Response 20-20kHz Battery Capacity 400mAh, 3.7V Charging Time (h) 4h Talking Time(h) 25h Music Time (h) 20h Standby Time (h) 30 days Package Included: 1* RIKYA K30 bluetooth Earphone 1* USB cable 1* pair of earmuffs 1* Manual