Specifications: Soft and flexible silicone ear hook, easily hook on ears, stably and firm to wear. Simple buttons to open and close, easy operation. Bluetooth 4.1 supports stable and fast data transmission. It can connect two smartphones at a time. CVC 6.0 noise reduction technology can reduce external noise. Real high definition stereo sound, with deep bass and clear treble.
Item Name: Bluetooth Earphones Bluetooth: Version 4.2 + EDR Bluetooth Profile Support: HFP, HSP, A2DP, AVRCP Waterproof Grade: IPX7 Noise Reduction: CVC 6.0 Transmission Distance: 30 feet Battery Type: Lithium-ion Polymer 180mAh (Included) Frequency Response: 20-22kHz Charging Port: Micro USB Charging Time: about 1 Hour Playing Time: up to 4 Hours Standby Time: about 270 Hours