M37 Touch Control IPX4 Waterproof bluetooth Earphone Headphone With Mic Heavy Bass Noise Cancelling

Features: 1. Touch control, more convenient to use while walking, jogging, etc. 2. DSP noise cancelling, effectively reduce the environmental noise. 3. High sensitive microphone provide you ultra-clear calls. 4. Ergonomic oblique in-ear angle design makes you feel more comfortable. 5. IPX4 waterproof design, protect your device from splash, sweat, rain, etc. Specifications: General Specification Model M37 Color Black, Red Wearing Type In-ear Net Weight (g) About 18.5g Technical Parameters Microphone Yes bluetooth Version V4.1 Transmission Distance 10m Frequency Response 20-20000Hz Battery Capacity 110mAh, 3.7V Charging Time (h) 2 hours Talking Time 8 hours Working Time (h) 8 hours Standby Time (h) 600 hours Package Included: 1* M37 bluetooth Earphone 1* Charing Cable 3* Pairs of earmuff 1* Manual