Description:

• Drive: 15mm 
• Impedance: 32 OHM 
• Bluetooth version: Bluetooth v4.1 + EDR 
• Power level: CLASS II 
• Output power: 30mW 
• Bluetooth distance: 10 meters barrier 
• Frequency response: 20-20000Hz 
• Operating voltage range: 3.0V-4.2V 
• Mitou sensitivity: -42dB 
• With A2DP / AVRCP high quality stereo audio transmission and remote control protocol 
• Powerful noise de-noising circuit (active noise reduction) 
• Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light).) 
• Product Size: Length 2cm. Width 1.7cm. High 4.5cm 
• Product net weight of about 5g 
• Talk time is about 4-5 hours(with charger box)
• Talk time is about 1.2 hours (USE ALONE):
• music time about 2-3 hours(with charger box)
• music time about 1 hours(USE ALONE)
• Standby time is about 100 hours
• The charging time is about 60 minutes 
• Battery capacity 60MAH 
• Compatible phone: compatible with Andrews, Apple, Microsoft, Saipan system with 99% of the Bluetooth mobile phone

Packaging includes: 

• 1pc i9s Bluetooth earphone
• 1pc Charger Box
• 1pc Charging USB Cable 

Other

1. listening to the song correct, support songs and then call,
2. For iPhone power display, you can always watch the headset power situation, do not worry about the headset no electricity to make your life worry;
3. One to two connections, can be connected to two mobile phones;
4. Bluetooth headset every time connected to the phone after the shutdown, and then open the Bluetooth headset will automatically connect back to the phone,but also more convenient;
5. Intelligent compatibility: support all with Bluetooth mobile phone, tablet,notebook, singing it, QQ music, movies, etc., all the mobile phone

Picture for i10max: