Product Features for best bluetooth headphones 
    Minimum Rated Talk Time: 4 hours
    Minimum Rated Standby Time: 100 hours

Specification for best bluetooth headphones:
Speaker Unit: Φ40mm
Speaker Sensitivity: 122dB/mwat1KHz
Impedance: 32Ω
Frequency Range: 20Hz-20KHz
Bluetooth Version:CSR4.0
Mic Sensitivity:20M
MIC Sensitivity:-58dB
MIC irectionality: Omnidirectional
Support Mode: A2DP, AVRCP, HFP, HSP
Talk Time: 8 hours
Open Distance: 8-12m
Standby Time: 1000 hours
Charge Time: 2 hours
Color: black, gold, OEM color is accepted

How to connect with your cell phone
1. Make sure the headphone is turned on.
2. Start pairing mode by pressing the Bluetooth headphone switch / answer button for 2 seconds until the red and blue lights flash alternately.
3. Activate the Bluetooth function on your phone, search for Bluetooth devices and select the model named H800. Enter the password "0000"(usually asked for the first time) to complete the pairing. When finishing pairing mode, the headphone will emit the notification tone, the red and blue lights stop alternately flashing and turn into 1 flashing in 2 seconds.
4. When the pairing mode is activated, if you fail to complete the pairing process within 5 minutes, the Bluetooth headphone will automaticly turn off to save power. For continuing pairing, please restart the Bluetooth headphone to the pairing status.

Smart one for two function
H800 Bluetooth headphone can simultaneously connect to two mobile phones, avoid the troubles for users who have two mobile phones.
One for two matching method:
First, make sure Bluetooth headphone is successfully paired with the first mobile phone, then turn off Bluetooth of paired mobile phone, so the Bluetooth is disconnected. Second, redo the pairing process with the second mobile phone. After pairing successfully, turn on the Bluetooth function of first one mobile phone and connect it.