About Rymemo professor Rymemo strives to provide customers kinds of newest cost-effective Bluetooth earpieces. Your satisfaction will be guaranteed. Advanced bt tech advanced Bluetooth version ensure Bluetooth headphones can be compatible with most popular cellphones, devices in the market. Noise cancellation block most of the outside noisy sound, lost in your music world easily. Instruction: 1.Ensure the headset are fully charge. 2.Press and hold the power button for 5 seconds until the led indicator light flashes blue and red. 3.Turn on the bt of your smart device/pc.Scan and search for the headset"s2" 4.When the headset are successfully paired. A message tone will play. The red and blue led light will stop flashing. Specification: Bt version: V4.0 support : Hsp,hfp,a2dp,avrcp transmitting power: Class 2 working distance range: 10m frequency range: 2.4026ghz-2.480ghz charging time: 1-2 hours battery: Rechargeable lithium battery 100mah charging voltage: 5v music playback time : 6 hours( normal voice level) standy time: 60 hours call time: 5 hours content: 1 x bluetooth sports headphones 1 x cable clamp 1 x usb charging cable 4 x ear rubbers(large & small) 1 x english manual.
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