Golvery Bluetooth 5.0 Transmitter Receiver for TV, 2 in 1 Bluetooth Aux Adapter for PC/DVD/MP3/Car/Home Stereo/Speaker/Gym, Optical/RCA/AUX Connection, 25 Hours Playtime, Pair 2 Devices Simultaneously About this item ?Transmitter?Receiver 2 in 1?In TX mode: plug it to non-Bluetooth devices such as TV/PC/MP3/CD/DVD Player/Projector, to transmit audio to Bluetooth headphones/speakers. In RX mode: plug it to car speaker/home theater/wired speaker/headphones to receive audio from smartphone/tablet/laptop via Bluetooth connection ?Great Stereo Sound?Equipped with the most advanced Bluetooth chipset and the latest Bluetooth 5.0 version, this BTI-038 Bluetooth AUX adapter upgrades the non-Bluetooth devices to Bluetooth-enable function, provides fast transmission and stable connection, transmits CD-like stereo quality sound ?Dual Connection?This BTI-038 Bluetooth adapter can pair with 2 Bluetooth headphones/speakers in TX mode to share audio with family or friends without disturbing others. It can also pair with 2 Bluetooth devices like smartphone and tablet in RX mode, you can easily switch the playing source between two devices ?3 Audio Interfaces?This 2-in-1 Bluetooth AUX adapter has 3 audio interfaces, supports digital Optical, RCA and 3.5mm audio cable connected whether in TX or RX mode. NOTE: Please confirm to connect to the AUDIO OUT jack on TV?s back panel. It must be connected to SPDIF (digital optical) jack if you watch digital TV program ?Long-lasting Battery Strong Guarantee?With the built-in 450mAh rechargeable battery, it takes about 2 hours to fully charged, supports up to 25 hours working time. It can work fine while charging. Provides non-stop streaming all day long Product Description Golvery BTI-038 is a Bluetooth transmitter for TV/PC/MP3/CD/DVD Player/Projector/Gym to Bluetooth headphones/speaker, it can also be used as a Bluetooth receiver for speaker/car stereo/home theater/headphones/boat. Recommended: Transmitter---Bluetooth-enable TV/PC/CD/DVD/Projector/MP3 to transmit audio to Bluetooth headphones/speakers. Receiver---Bluetooth-enable car stereo/sound bar/wired speaker/headphones/boat to receive audio from smartphone/tablet/laptop. Supports Digital Optical, RCA or AUX audio output ports. Compatible with 99% of TVs on the market. Supports 2 headphones or speakers pairing at the same time. Supports Volume Control in TX+SPDIF mode. Please Note: The BTI-038 Bluetooth transmitter must be connected to your TV by the optical cable if you watch the digital TV program like Netflix, Roku, Chromecast, Amazon Prime Video, or Amazon Fire Stick etc,. And you need to check below settings on TV. Settings--- Sound--- Sound Out--- Optical--- PCM/Stereo Homepage--- System Settings--- Image and Sound--- Voice Setting--- Digital Audio Output--- PCM/LPCM If LG/Panasonic TV, please set TV audio output to SPDIF output. If Samsung TV, please turn on its external speakers (Steps: Menu-- Sound-- Speaker Settings-- External Speakers-- ON.) Product Specification: Bluetooth Version: 5.0 Frequency Range: 2.4GHz-2.480GHz Bluetooth Profile: A2DP/ AVRCP Bluetooth Range: Up to 10 meters/33 fts without obstacles Audio Codec: SBC/ AAC Battery Life: 450mAh; 2 hours charging time; up to 25 hours working time Charging Supply: 5.0+-1.0V/250mA-2A/DC Package Included: 1x BTI-038 Bluetooth AUX Adapter 1x Digital Optical Cable 1x 3.5mm Audio Cable 1x RCA Audio Cable 1x Micro USB Charging Cable 1x User Manual Works in TX Mode (Transmitter) Slide the working channel to TX position to make BTI-038 work as a transmitter to Bluetooth-enable TV/PC/MP3/CD/DVD Player/Projector/Gym, etc. Wide Compability BTI-038 can support Optical/3.5mm AUX/RCA audio connected in TX or RX mode. Great to use on all kinds of TV with optical/3.5mm/RCA audio output ports. Works in RX Mode (Receiver) Slide it to RX position to make it work as a receiver to Bluetooth-enable car stereo/home stereo/wired speaker/headphones to pair with phone/tablet/laptop via Bluetooth connection. Dual Link This Bluetooth AUX adapter can pair with 2 Bluetooth headphones/speakers in TX mode, and it can also pair with 2 Bluetooth devices like smartphone/tablet in RX mode. Convenient Volume Control Our BTI-038 can support to adjust the volume control in TX+SPDIF mode without searching for your remote! 25 Hours Long Live Battery The 450mAh rechargeable battery will take 2 hours for full charge and it can last up to 25 hours working time. But when it runs out of battery, it still works while charging.