★ Featured Bluetooth V5.0+EDR : Advanced CSR 5.0 chipset combining A2DP comes with stable connectivity and remarkable signal stability. Non-stop and clear HiFi music streaming creates enjoyable listening experience.Ideal to be used for your wired Headphones/Speakers, home sound system, stereo and portable non-bluetooth device via the 3.5 mm aux or RCA audio connector. | ★ Double Link and Extra-long Battery Life: Paired two Bluetooth devices at once, with a range up to 33 feet in open space. Built-in battery provides up to 16 hours to play and talk, 400 hours to standby, only need 2 hours to get it fully charged. | ★ Easy to use: Plug the Bluetooth Receiver into your stereo speaker or audio system and then slide switch to pair it with any your iPhone, iPod, iPad, Tablets, Other Smartphones or PC in seconds.Auto reconnected. | ★ Pure Sound: Get high quality audio sound with A2DP, allows you to enjoy HiFi stereo music without wire restriction. | ★ We believe in our products - That's why we back them all with an 24-month warranty and 30 days money back and provide friendly, easy-to-reach support. - Free Lifetime Technical Support.If you are searching 2-in-1 bluetooth transmitter & receiver,please find the ASIN: B01NACN8PY or B01NH58CCX and they are on Hot Sale.

[EASY TO INSTALL] The headphones Z702 and transmitter BTI-038 are arrive pre-paired, turn them on then they will connect automatically in no time. You may watch the 3-minutes video under product pictures to help you understand how to use. | [WORK WITH ALL KINDS OF TV] Bluetooth transmitter BTI-038 can connect with all kinds of TV which support Optical Digital or RCA/3.5mm AUX audio ports, compatible with almost all TVs on the market. There are some RCA input ports on your TV’s back panel which may be very similar to the output ports, please check if the ports are for audio out or in before connect. | [LOW LATENCY HEARING SET] Both Wireless Earbands z702 and Bluetooth transmitter BTI-038 support FastStream codec, which can bring you immersive TV watching experience with no lip sync problem. If you need second set of headset, please search B085M36T79 to find it on amazon. | [FREE TO USE THEM SEPARATELY] Wireless Earbands z702 can be use outdoors with no burden due to its portable and lightweight feature, pair it with your phone then enjoy music and answer phone calls in super convenient way; Bluetooth transmitter receiver BTI-038 is very suitable to be used as TV wireless transmitter and can deliver audio to any other Bluetooth speakers/headphones as well. (Note: Charging cables are included, power plugs are not included. If you connect via Optical cable, the volu) | [GOLVERY 24-MONTH WARRANTY] We provide 24-month warranty, 90 day Money Back, Life Time Friendly Technical Support to ensure your hassle-free buying experience. Any questions or concerns, please feel free to contact us, we will be always here for you.

★【Bluetooth V5.1 & QC3.0 Fast Charging】Utilize with advanced Bluetooth chipset and the latest Bluetooth V5.1 technology, this BC57 Bluetooth FM transmitter provides faster pairing and more stable connection without intermittent disconnection. Support 2 devices charging simultaneously, includes a QC3.0 fast charging port which is 4 times faster than traditional ones and a 5V/1A charging port also functions as a U disk port up to 32GB. | ★【Hands-free Calls & 3 Ways Music Play】 With the noise suppression (CVC) technology, the built-in high-performance microphone provides you smooth and clear calls by filtering out road and wind noise while driving. BC57 Bluetooth FM transmitter can support 3 ways music play. You can enjoy stereo music via Bluetooth connection/ U Disk (≤32GB)/ TF Card(≤32GB). | ★【Security Protection & Auto Reconnection】The BC57 quick charger has security protection of over current, over voltage, over temperature, over load, short circuit, under voltage, reverse plugging and electromagnetic protection. After re-starting the car, the Bluetooth audio adapter will actively connect to the previous pairing device. The music will play automatically. No need to repeat the pairing steps or adjust the frequency. | ★【Siri/Google Assistant & Cool LED Light】BC57 FM transmitter supports to activate Siri/ Google voice assistant by pressing the MFB button for about 3 seconds to help you navigate, make a call or play a song. Designed with the blue LED atmosphere light, it will remain ON constantly at night. The light is bright but soft, allows you to see easily in the darkness. Makes your car looks cool and more attractive. | ★【Wide Compatibility & Strong Guarantee】This Bluetooth car adapter can be used with any Bluetooth-enable devices, such as iPhone, Android Phone, iPad, iPod and other Bluetooth music player. Suitable for 12-24V mainstream models on the market, compatible with multiple APPs. Golvery BC57 Bluetooth FM Transmitter has strong guarantee of life-time technical support and 24-month quality warranty. Please feel free to contact us if any problem.

🎵 [Bluetooth USB Audio Adapter] Simple to use, supports A2dp audio streaming, low latency techonology(need to pair with low latency headphones to active such feature), equipped with most advanced Bluetooth 5.0. (PLEASE NOTE! This is an Audio-Only bluetooth 5.0 TRANSMITTER; it is not a Bluetooth Controller (dongle). This device CANNOT add a bluetooth keyboard, mouse or game controller to your computer or game player) | 👌 [Plug & Play, Supper Easy to Use] No need to install any drivers, simply plugged this B25 to TV's USB port to turn it on and use 3.5mm audio cable to connect to headphone jack. When plugged on devices whose can output USB digital audio like windows pc, Laptop, nintendo switch's dock, it can work without using 3.5mm audio cable. | 👄 [40ms Low Latency] Supports low latency in dual link. For better listening experience, we recommend to use Bluetooth headphones which support low latency (less than 40ms delay), otherwise the delay will be downgraded to noticeable 200ms (SBC codec). | 💪 [Small body, Powerful Performance] With no battery built in, it weights only gram, very easy to hide and won't occupy extra space. Advanced Bluetooth V5.0, Strong CSR 8670 chipset, Enhanced Adjustable Attenna, Dual Stream Support, always on for reconnecting last connected Bluetooth heaphones/speakers. | 🛡️ [Golvery 2 year warranty] We have faith in our product quanlity, thus we provide 60 days money back, 2-year warranty, life time tech support. Any before/after-sale questions or concerns, please feel free to contact us via email and we will reply to you within 24 hours.