Hot point : 1. Noise Canceling,6D Stereo surround Sound 2. Bluetooth-comaptible version: 5.0 or below 3. Connection distance: 10 meters 4. LED display function, you can directly understand the power and charging situation 5. Bluetooth-comaptible V5.0, support automatic pairing and most Bluetooth-compatible devices 6. 3500mAh charging box, can also charge headphones and mobile phone 7. IPX5 waterproof, no need to worry about water and sweat 8. Ultra-mini body for a comfortable wearing experience 9. Function: HIFI sound quality. Volume adjustment, emergency mobile power, binaural calls, Automatic interconnection, memory matching, intelligent noise reduction Parameter: Support smart phone: Bluetooth-compatible 4.0 above smart phone Bluetooth-compatibleversion:5.0 SupportAgreement:SupportHFP1.7,HSP1.2,A2DP1,AVRCP1.6,SPP1.2andPBAP1.0 Bluetooth-compatible distance:about10m/32.81ft. Waterproof:IPX7waterproof, can not showering or swimming Talktime:about3-4H(fullpowersingleuse) Listeningtothesongtime:about3-H(fullpowersingleuse) Batterytype:3.7V, 50mAHlithiumionpolymerbattery Chargingtime:about1H Chargingbatterycapacity: 3300mAh Weight:150gheadphones4g Model: Bluetooth-compatible headset Package List: 2*M11 Bluetooth-compatibleHeadset 1*chargingcable 3*earcap(set) 1*manual 1*charge box 1*carton Q&A: 1.Which monile phone it will work with? A: All mobile phones. 2. Can i answer call with it? A: Yes, with microphone. 3. It is touch control? A: Yes, you can switch song or change volume or summon siri. 4: How long is the warranty of the product? A: 1 Year warranty. 5. The earphones are waterproof? A: It is daily waterproof, but you can not shower or swimming with it. 6. How long i can receive the parcel? A:Russian(10~15 days), Brazil(15 days), Spain / France/ Poland/ USA/UK(about 10 days), you can